一名身穿黑色无檐帽、灰色夹克和黑色背包的男子站在一栋有许多窗户的建筑前，手里拿着一架白色无人机，然后它起飞了。
A man wearing a black beanie, a grey jacket and a black backpack stands in front of a building with many windows holding a white drone before it takes flight.
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