At the invitation of the Minister of Housing and Urban-Rural Construction, PRC, Anna Kajumulo Tibaijuka, Under Secretary-General of the UN and Executive Director of UN-HABITAT visited Nanjing on October 13 and 14, 2006 and discussed with the Municipal Government of Nanjing about the preparation of WUF4. The delegation met Governor Liang Baohua, Party Secretary of Nanjing Municipal Government, Luo Zhijun, Mayor Jiang Hongkun and Vice Mayor, Lu Bing. During the stay, the delegation also visited Nanjing Urban Planning Museum, He Xi New City (Olympics Center, Horticulture Expo, etc.)