World leaders arrived in Burma’s capital Naypyidaw for the start of the 25th Asean Summit and the East Asia Summit on Wednesday and Thursday. US President Obama arrived with Air Force One on Wednesday night. Other leaders include Indonesian President Joko Widodo, Chinese Premier Li Keqiang and Russian Prime Minister Dmitry Medvedev. They were welcomed by Burma’s President Thein Sein, who chairs the Asean meeting.