A boy picks up junk into a waste bin during a celebration marking the 20th anniversary of the Convention on the Rights of the Child in Tirana, capital of Albania, Nov. 21, 2009. Albanian President Bamir Topi and his wife as well as foreign diplomats joined groups of children in the activity here Saturday. The U.N. General Assembly adopted the Convention on the Rights of the Child on Nov. 20, 1989. [Xinhua]