On December 16, Vice President Xie Yuan met with City Administrator (Executive Deputy Mayor) Allen Lew and Deputy Mayor Victor Hoskins of Washington D.C. Vice President Xie introduced to the delegation the progress of 2014 U.S.-China Sister Cities Conference and looked forward to generous support from the D.C. government to the Conference. Xie spoke highly of the great efforts and the outstanding achievements Beijing and D.C. made for developing their sister city relations over the past years. He hoped that the two sides could continue to expand their cooperation, especially in the fields of environmental governance and traffic control. Allen Lew expressed the sincere willingness of the D.C. government to support the Conference, and they would like to arrange part of the program for the Chinese delegation. He said that D.C. government values very much the sister city relations between D.C. and Beijing, which helped a lot in promoting city-to-city exchange and cooperation, such as cooperation in trade and investment, science and technology, tourism and education.