People of the Mekong have invented all manner of ingenious ways of catching fish, many of them adapted to a specific site, flow and time of year. These lee traps at the Khone Falls in southern Laos, captured on June 2, 2010, are an excellent example: fishermen construct the traps in the dry season when water levels are low to catch fish at the onset of the rainy season. As the rising water levels cue the fish to begin their migration, the traps are inundated and literally strain the migrating fish out of the water column