Zhang Haidi (R, front), chairwoman of the China Disabled Persons' Federation, and Liu Jieyi (R, back), China's permanent representative to the United Nations, attends the launching ceremony of a set of stamps featuring the artwork by the disabled, in New Yok, the United States, Sept. 23, 2013. As world leaders gather at the UN General Assembly to review the achievements of the Millennium Development Goals (MDGs), a set of stamps featuring the artwork by the disabled were launched Monday at the headquarters of the world body, the first one of which showcases the well-known Chinese dance "Thousand-handed Goddess". [Photo/Xinhua]