In deference to Robert Hood's new silhouette rule, I think this shot of Kurdish construction workers meets the "coolness" test. The angles of the lines and the positioning of the figures make this a visual treat.

Mustafa Ozer/AFP - Getty Images
Kurdish workers prepare a platform on the eve of Newroz Day in southeastern city of Diyarbakir, on 20 March, 2008. Newroz Day, which marks the arrival of spring and the Kurdish New Year, has become a platform for Turkey's Kurdish minority to demand greater freedoms.