Many diseases and conditions are spread by not washing hands with soap and clean, running water. If clean, running water is not accessible, as is common in many parts of the world, use soap and available water.
Riverdale covers about three square miles in area. It has one of the highest elevations in New York City, affording it views of the Empire State Building, George Washington Bridge, Hudson River and New Jersey Palisades.
Riverdale (formerly, Liberty Settlement)[6] is a census-designated place (CDP) in Fresno County, California, United States. The population was 3,153 at the 2010 census, up from 2,416 at the 2000 census.