I was struck by sight of water flowing through this tunnel and then pouring off the bridge. Usually water destroys a bridge by rising from below, not flowing along the top.

Liu Jin/AFP - Getty Images
A bridge is destroyed by floods in the worst earthquake-hit area of Beichuan county, in China's southwestern province of Sichuan on June 10, 2008. Muddy, brown water from a quake lake poured into the flattened town of Beichuan, piling new woes on its tormented population.