Pope Francis meets a top Indonesian imam at Southeast Asia's largest mosque in Jakarta. The pope and Grand Imam Nasaruddin Umar signed a declaration at Istiqlal Mosque in one of the final major set pieces of his three-day visit to Indonesia before he heads to Papua New Guinea, East Timor, and Singapore . Unity between faiths has been the central theme of the pontiff's trip and the declaration called for "religious harmony for the sake of humanity." IMAGES AND SOUNDBITES