A volunteer (L) from Lanzhou University of Technology has a talk with a blind student at Lanzhou School for the Blind, Deaf and Dumb in Lanzhou, capital of northwest China's Gansu Province, Dec. 4, 2012, a day ahead of the International Volunteer Day. The International Volunteer Day, which falls on Dec. 5 every year, is an international observance designated by the United Nations since 1985. (Xinhua/Huang Wenxin)