President Asif Ali Zardari arrived in Islamabad Sunday morning at the conclusion of a five day visit to China during which he held talks with President Hu Jintao, Prime Minister Wen Jiabao, Chairman of the Chinese Peoples Consultative Conference (CPPCC), visited Pakistan and China pavilions at the Expo 2010 in Shanghai, addressed separately forums on Economic Development and Alternate Energy and touched base with provincial political leaders and leaders of corporate sector. The top level talks and meetings with business and energy leaders during the visit focused on joint economic projects, promoting regional connectivity, harnessing new sources of energy, militancy and terrorism, and measures for enhancing people to people contacts.