The Roadblock

"As our vehicles came around the sharp corner we ran into something wholly unexpected, a neat row of rock and brick that sprawled across the road. The impromptu roadblock had a strange castaway symmetry to it; it brought to mind long summer days spent building little dams in the local streams. As the vehicles lurched to a halt I could feel a wave of frustration flare - we were on our way back to the FOB after an extended mission and everyone wanted to get back."
365 and a Wakeup