Recovery efforts continue in Indonesia after two powerful earthquakes and a string of tremors struck the islands of Lombok and Bali.<br /><br />Drone footage, captured on August 21, shows damaged buildings in the popular tourist resort of Gili Trawangan.<br /><br />A strong earthquake killed at least 13 people on the Indonesian islands of Lombok and Sumbawa last Sunday (August 19).<br /><br />Indonesian residents are still recovering from the tremor that hit Lombok earlier this month, killing at least 400 people.