 SNET Trail in fog near Millville Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 SNET Trail in fog near Millville Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Millville Lock in Blackstone River and Canal Heritage State Park (from east side). Uxbridge, Massachusetts, October 17, 2004
 Millville Lock in Blackstone River and Canal Heritage State Park (from east side). Uxbridge, Massachusetts, October 30, 2004
 Pine Hol Road. Locke, New York, October 23, 2005
 Ruins of Goat Hill Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Trees near Road 38 in Moravia. Locke, New York, October 23, 2005
 Millville Lock in Blackstone River Valley. Uxbridge, Rhode Island, October 10, 2004
 Millville Lock in Blackstone River and Canal Heritage State Park (from west side). Uxbridge, Massachusetts, October 17, 2004
 Corn field, silo and a farm north from Lamphier Road. Locke, New York, October 9, 2005
 Reflections in Goat Hill Lock in Blackstone River and Canal Heritage State Park. Northbridge, Massachusetts, October 30, 2003
 A lock of Millstone River near Kingston after a rain. New Jersey, April 15, 2007
 Locks of Petrovsky Dock in Kronstadt. Saint Petersburg, Russia, July 24, 2012
 A lock of Millstone River south from Griggsown after a rain. New Jersey, April 15, 2007
 A lock of Millstone River south from Griggsown. New Jersey, April 11, 2007
 A spare part of Kingston Lock in bushes in Delaware and Raritan Canal State Park. Kingston, New Jersey, March 28, 2007
 Plaquemine Lock (1858-1928) at 57730 Main Street. Plaquemine, Louisiana, January 7, 2007
 Goats locked in a pen in Wholesale Animal Market. Doha, Qatar, February 24, 2012
 Goats behind bars locked in a pen in Wholesale Animal Market. Doha, Qatar, February 24, 2012
 Intersection of Pikk Street and Pikk jalg (Long Leg) Street, one of the most historically significant spots in Tallinn, marking the boundary between the Lower Town and the Upper Town (Toompea). The massive white tower on the right is the Long Leg Gate Tower, built in the 14th century (c. 1380). It served as the primary fortified gateway connecting the merchant Lower Town to the aristocratic Upper Town. Historically, this gate was locked at night to separate the two distinct social classes. The street rising steeply through the gate arch is Pikk jalg. Its name distinguishes it from the parallel "Short Leg" (Lu"hike jalg), which is a pedestrian-only staircase.:200b The clock attached to the wall on the far right (though partially cut off) is not the famous Holy Spirit Church clock but a decorative element often associated with the Krause Pharmacy building or nearby shops in this tourist-heavy zone. The pink building on the left corner (housing "Krause" and "Eesti Ka"sito"o"" shops) is a classic example of Old Town architecture, with its chamfered corner entrance and large shop windows. Tallinn, Estonia, October 16, 2025
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