A single copper yoke from the back of a TV can be worth an hour's wages in Asia . Some. Foreign Importers accept the whole unit, break o ff the copper, and throw the leaded glass. CRT in the river. Rudimentary, artisa n  gol d recyclers soak circuit boards in acid, and. pan for gold at the river's edge.
Landscape[edit] The Black Canyon (contained in the borders of the park) is a very deep gorge containing sheer cliffs up to heights of 2250 feet (685 m). The canyon was carved by the Gunnison River, located at the very bottom of the canyon.
Colca Canyon, Peru Colca Canyon (CaÃ±on del Colca) in Peru is one of the deepest canyons in the world. At more than 11,330 feet (3,400 meters), it descends to a depth almost twice that of Arizona's Grand Canyon. The canyon developed from a fault that has been eroded for millions of years by the Colca River, which runs more than 124 miles (200 kilometers) along the Peruvian coast.