The 43rd annual Hiroshima-Nagasaki Observance ended Wednesday evening in Lithia Park's Japanese Garden in Ashland. Area congregations and peace groups led the observance of the anniversary of the atomic bombings of Hiroshima and Nagasaki, with this year's focus falling on an effort to support a treaty recently adopted by the UN General Assembly that will be open for signatures by the world’s nations starting Sept. 20.