Burned part of the theoretical chemistry lab (there was a bookshelf) after a fire at Memorial Day. Purdue University, West Lafayette, Indiana, June 1, 1999.

The image depicts the aftermath of a fire that occurred on Memorial Day in 1999 in a theoretical chemistry lab at Purdue University's West Lafayette campus.

**Left Side:**
A wall is visible with two black vertical lines running down it, possibly indicating how the window was divided into two panes. The bottom right portion of the wall has been burned and charred. A tan-colored board covers the rest of the wall on the left side. Above this, a brown rectangular-shaped object hangs from the ceiling.

**Right Side:**
A bookshelf is situated against the wall, with several books stacked horizontally and vertically in various colors. The back half of the shelf appears to be charred or burned, but the front portion remains intact. To the right of the bookshelf, a wooden desk is covered with papers and other objects. A large white object sits on top of a stack of papers at the far end of the desk.

**Background:**
The ceiling and walls surrounding the room are white, indicating that this is likely part of a college or university building. The lighting in the image suggests it was taken indoors during the day.

**Overall Impression:**
This image appears to be documenting the aftermath of a fire in a laboratory setting. – AI vision

1999 年 6 月 1 日，印第安纳州西拉法叶的普渡大学有一次 Memorial Day 的火灾之后，理论化学实验室被烧毁了（那里有一个书架）。图像描述 1999 年 Memorial Day 在普渡大学西拉法叶校区理论化学实验室发生的一场火灾后的情形。左侧：可以看到墙上划着两条黑色的垂直线，这些线可能表明窗户被分成了两块玻璃。墙下右边部分已经被焚烧并炭化。一个浅褐色的板子覆盖在左侧墙上的其余部分。这个板子的上方，一块棕色的矩形物体从天花板垂下来。右侧：书架靠着墙，各种颜色的书籍横向和竖向堆在上面。书架背后半部分看起来被烧焦或焚毁，但正面部分保存完好。书架右边是一张木质课桌，桌面上铺满了纸张和其他物体，桌子最远端的纸巾堆上放着一个大白色物体。背景：墙壁和房间周围的天花板都是白色的，表明这里可能是一所大学或学院的建筑。图像中的灯光暗示它是在白天室内拍摄的。总体印象：这张照片似乎记录了实验室设施发生火灾后的情形。. – Chinese translation