The fountain is dedicated to those who were killed by the A-bomb in 1945. It's illuminated at night and the water goes up to 10 meters.
More information http://www.pcf.city.hiroshima.jp/virtual/VirtualMuseum_e/tour_e/ireihi/tour_30_e.html
Address Hiroshima, Japan
Coordinates 34°23'29.039" N 132°27'7.027" E