 Entrance of National Convention Centre (QNCC), with Sidra Tree metal structures supporting the roof, view from second floor. Doha, Qatar, February 25, 2014
 Entrance of National Convention Centre (QNCC), with Sidra Tree metal structures supporting the roof. Doha, Qatar, April 6, 2014
 Entrance of National Convention Centre (QNCC), with Sidra Tree metal structures supporting the roof at evening. Doha, Qatar, April 6, 2014
 Entrance of National Convention Centre (QNCC) at dusk, with Sidra Tree metal structures supporting the roof. Doha, Qatar, April 7, 2014
 Entrance of National Convention Centre (QNCC), with Sidra Tree metal structures supporting the roof, near Dukhan Highway. Doha, Qatar, April 6, 2014
 Sidra Tree metal structures supporting the roof of National Convention Centre (QNCC). Doha, Qatar, April 7, 2014
 Sidra Tree metal structures supporting the roof of National Convention Centre (QNCC). Doha, Qatar, April 6, 2014
 Fragment of Sidra Tree metal structures supporting the roof of National Convention Centre (QNCC). Doha, Qatar, April 6, 2014
 Front side of National Convention Centre (QNCC), with Sidra Tree metal structures supporting the roof. Doha, Qatar, April 6, 2014
 Branching Sidra Tree metal structures in National Convention Centre (QNCC). Doha, Qatar, February 25, 2014
 Entrance of National Convention Centre (QNCC). Doha, Qatar, April 6, 2014
 Entrance of National Convention Centre (QNCC) at evening. Doha, Qatar, April 7, 2014
 Entrance of National Convention Centre (QNCC) at evening. Doha, Qatar, April 6, 2014
 Entrance of National Convention Centre (QNCC) at dusk. Doha, Qatar, April 6, 2014
 Entrance of National Convention Centre (QNCC) at dusk. Doha, Qatar, April 7, 2014
 Entrance road of National Convention Centre (QNCC) at dusk. Doha, Qatar, April 7, 2014
 Glass entrance of National Convention Centre (QNCC), near Dukhan Highway. Doha, Qatar, April 6, 2014
 Front window of National Convention Centre (QNCC). Doha, Qatar, February 25, 2014
 Maman Spider sculpture by Louise Bourgeois in National Convention Centre (QNCC). Doha, Qatar, February 25, 2014
 Service road of National Convention Centre (QNCC). Doha, Qatar, April 6, 2014
 Front side of National Convention Centre (QNCC). Doha, Qatar, April 6, 2014
 Front side of National Convention Centre (QNCC) at dusk. Doha, Qatar, April 7, 2014
 Handshake at jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 Renault QX-80 car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 White AMG car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Red Cadillac car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Toyota car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 458 Spider car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Exhibition of jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 911 Targa car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Winged AMG car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Dark hall of jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 Green stands at jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 Blue Jaguar XK car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Interior of a modern car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 918 Spyder Porsche car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Motor show in National Convention Centre, view from the second floor. Doha, Qatar, February 25, 2014
 Dark corridor at jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 BMW i8 car with a feminine figure on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Red Jaguar F-Type car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Jewelry show in National Convention Centre, view from the second floor. Doha, Qatar, February 25, 2014
 Round hall at jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 Exhibition of jewelry show in National Convention Centre, view from the second floor. Doha, Qatar, February 25, 2014
 Guts of Nissan car under a hood on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Round hall with a carpet at jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 Stands of jewelry show in National Convention Centre, view from the second floor. Doha, Qatar, February 25, 2014
 Renault TWIZY children s car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Wraith car with a feminine figure on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Corner view of Toyota car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Decorated cabinet of Almajed Jewellery at jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 Back view of 918 Spyder Porsche car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Front view of Jaguar F-Type car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Pillars draped with crocodile skin at jewelry show in National Convention Centre. Doha, Qatar, February 25, 2014
 Lamborghini Aventador LP 700-4 Roadster car with a feminine figure on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Front view of Lamborghini Aventador LP 700-4 Roadster car on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 White Lamborghini Aventador LP 700-4 Roadster car with a black feminine figure on motor show in National Convention Centre. Doha, Qatar, February 25, 2014
 Flowers of Christ s Thorn Jujube (Sidra tree, Ziziphus spina-christi) collected near Dareen Tower in West Bay. Doha, Qatar, February 1, 2014
 Fruits of Christ s Thorn Jujube (Sidra tree, Ziziphus spina-christi) collected near Dareen Tower in West Bay. Doha, Qatar, February 1, 2014
 Entrance of Georgetown University in Education City, with Sidra Medical Research Center in background. Doha, Qatar, April 10, 2014
 Close up of a flower of Christ s Thorn Jujube (Sidra tree, Ziziphus spina-christi) collected near Dareen Tower in West Bay. Doha, Qatar, February 1, 2014
 Bark of old sidra tree (Ziziphus) on Al Nada Street in Al Doha Al Jadeeda area. Doha, Qatar, March 21, 2014
 Metal latticework of QP Building from Al Adaid Street in West Bay. Doha, Qatar, February 1, 2014
 Doha Convention Center (under construction) in West Bay in fog. Doha, Qatar, February 15, 2014
 Gall like growth on a twig of Ziziphus (sidra tree) collected from Al Intisar Street in West Bay. Doha, Qatar, September 8, 2014
 Thorn Jujube (Sidra tree, Ziziphus spina-christi) near Al Sham Street in West Bay. Doha, Qatar, October 20, 2014
 Metal columns at the entrance of City Center mall. Doha, Qatar, April 8, 2013
 Dissected gall like growth on a twig of Ziziphus (sidra tree) collected from Al Intisar Street in West Bay. Doha, Qatar, September 8, 2014
 Shoot of Christ s Thorn Jujube (Sidra tree, Ziziphus spina-christi) on Al Istiqlal Street in West Bay. Doha, Qatar, May 5, 2014
 Large black scorpion Fat Tail (Androctonus crassicauda) found under a metal sheet (thanks to F. G.) at entrance of Umm Bab in south-western Qatar, March 3, 2014
 Flowers of Christ s Thorn Jujube (Sidra tree, Ziziphus spina-christi) on Al Sham Street in area of West Bay. Doha, Qatar, April 17, 2014
 Twig with flowers of Christ s Thorn Jujube (Sidra tree, Ziziphus spina-christi) taken from Al Sham Street in area of West Bay. Doha, Qatar, April 17, 2014
 Portraits of emir Tamim and his father Hamad bin Khalifa Al Thani at the entrance of village of Abu Sidra in north-western Qatar, December 6, 2014
 Entrance of a new building of Georgetown University in Education City, with Sidra Medical and Research Center in background. Doha, Qatar, March 4, 2012
 Granite pillars at the entrance of a new building of Georgetown University in Education City, with Sidra Medical and Research Center in background. Doha, Qatar, March 4, 2012
 Large sidra tree (Ziziphus spina-christi) on Al Khattabi Street, Al Doha Al Jadeeda area. Doha, Qatar, June 1, 2013
 Entrance of Dunes Hotel in West Bay in fog. Doha, Qatar, February 15, 2014
 Entrance of Faisal Tower in West Bay. Doha, Qatar, February 13, 2014
 Entrance of Faisal Tower in West Bay, looking up. Doha, Qatar, February 13, 2014
 Entrance of Faisal Tower in West Bay in fog. Doha, Qatar, February 15, 2014
 Entrance of Intercontinental Hotel in West Bay in fog. Doha, Qatar, February 15, 2014
 Entrance of Exhibition and Convention Center (DECC) near City Center mall. Doha, Qatar, December 8, 2015
 Entrance of Dunes Hotel in West Bay from Al Shatt Street. Doha, Qatar, February 20, 2014
 Sword Roundabout with sidra trees (Ziziphus spina-christi) from Al Nada Street in Al Doha Al Jadeeda area. Doha, Qatar, March 21, 2014
 Fruits of sidra tree (Ziziphus nummularia) taken from Rawdat Mahyoub on a road to Al Jumayliyah in north-western Qatar, December 6, 2014
 Spiral roof of new Student Center on campus of Education City. Doha, Qatar, April 6, 2014
 Perforated metal chandelier of Museum of Islamic Art. Doha, Qatar, February 11, 2011
 Panels of Sidra Medical and Research Center. Doha, Qatar, April 1, 2014
 Barkhan structures of ventillation of underground parking garage of Texas A and M University on campus of Education City at evening. Doha, Qatar, April 8, 2014
 Row of barkhan structures of ventillation of underground parking garage of Texas A and M University on campus of Education City at evening. Doha, Qatar, April 8, 2014
 Sculpture Smoke by Tony Smith at the entrance of Exhibition and Convention Center (DECC) near City Center mall. Doha, Qatar, December 28, 2015
 Public art Smoke by Tony Smith at the entrance of Exhibition and Convention Center (DECC) near City Center mall. Doha, Qatar, December 28, 2015
 Sculpture Smoke by Tony Smith at the entrance of Exhibition and Convention Center (DECC) near City Center mall. Doha, Qatar, December 8, 2015
 Public art Smoke by Tony Smith at the entrance of Exhibition and Convention Center (DECC) near City Center mall. Doha, Qatar, December 8, 2015
 Entrance of Iranian style mosque in Katara Cultural Village. Doha, Qatar, February 23, 2014
 Fruits of sidra tree (Ziziphus nummularia) in Rawdat Mahyoub on roadside of a road to Al Jumayliyah in north-western Qatar, December 6, 2014
 Stairs and perforated metal chandelier of Museum of Islamic Art. Doha, Qatar, February 11, 2011
 Deatails of panels of Sidra Medical and Research Center. Doha, Qatar, April 11, 2014
 Ornamental panels of Sidra Medical and Research Center. Doha, Qatar, April 11, 2014
 Front side of Sidra Medical and Research Center. Doha, Qatar, April 11, 2014
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