Arakawa, Tokyo Nature Park Public elementary and middle schools are operated by the Arakawa City Board of Education. Public high schools are operated by the Tokyo Metropolitan Government Board of Education. The Tokyo First Korean Elementary and Junior High School (), a North Korean school, is in the ward. The metropolis operated the Tokyo Metropolitan College of Aeronautical Engineering in Arakawa until 2010. Additional facilities are under construction. Arakawa, Tokyo Arakawa has sister-city relationships with Donaustadt in Vienna, Austria, and with Corvallis, Oregon, U.S. Domestically, it has similar relationships with nine cities, towns and villages. As of May 1, 2015, the ward
Two Rivers Dam through it and the impoundment area behind the dam is much drier than the impoundment area behind the northern dam. The city of Roswell suffered devastating floods in 1937, 1941, and 1954. After the 1954 flood, the US Congress passed the Watershed Protection and Flood Prevention Act of 1954 which authorized the Corps of Engineers to build dams to protect Roswell from floods. The dams were completed in 1963. Two Rivers Dam The Two Rivers Dam is a dry dam in southeastern New Mexico, sixteen miles west-southwest of the city of Roswell. The dam is actually two dams separated by