Pope Francis joined the grand imam of Southeast Asia`s largest mosque in pledging to work together to promote peace and protect the environment on Thursday, issuing a joint call for interfaith friendship and common cause at the heart of Francis` visit to Indonesia. (Pic/AFP)

Pope Francis arrived in Indonesia on Tuesday at the start of the longest trip of his pontificate, hoping to encourage its Catholic community and celebrate the tradition of interfaith harmony in a country with the world`s largest Muslim population. (Pics/AFP)