9 views of the LA River before and after it was paved in 1938


One photographer painstakingly reshot old photos of the once-volatile waterway

The Los Angeles River is on the verge of a new era. In the few years since the flood control channel was reclassified as a “navigable waterway,” the region has re-embraced its oddball amalgam of concrete and nature, which winds roughly 51 miles from the San Fernando Valley out to the ocean in Long Beach.