Geography of Chile of Magellan, Beagle Channel, Drake Passage); Atacama desert is one of world's driest regions The distribution of population is very condensed around the capital, Santiago, where approximately 90% of the people live. The cities of Valparaiso and Concepcion are the next highly populated cities, in that order. The population is 87.6% urbanized. In 2009, 12,037,290 living in urban parts of Chile actually had functioning facilities in their home, while 403,276 people did not have proper facilities in their dwelling. 100% of the urban population has some form of access to sanitation facilities, while 90.9% of rural people have these facilities
Flora of the Sonoran Desert absent on the California side of the Colorado River. Desert Holly ("Atriplex hymenelytra") can tolerate even the hottest and driest sites. The area where two vegetation types border, overlap, and transition is called an ecotone. The ecotone between the hotter, drier Colorado Desert and that of the relatively cooler and wetter Arizona Upland occurs from Parker, Arizona southeast to near Phoenix, then south to Organ Pipe Cactus National Monument. Density of vegetation gradually diminishes moving from the Arizona Upland into the Colorado Desert proper. can be found with stems climbing through shrubs and other vegetation, producing "spectacular" floral displays on