Photo Gallery: Dallas-area tornadoes and storms: April 3, 2012 16/24

A man walks beneath the trailer of an 18-wheeler that sits atop a tree and a power line pole after a tornado swept through the area Tuesday, April 3, 2012, in Lancaster, Texas. Tornadoes tore through the Dallas area Tuesday, peeling roofs off homes, tossing big-rig trucks into the air and leaving flattened tractor trailers strewn along highways and parking lots.  (AP Photo/Tony Gutierrez) ORG XMIT: TXTG101