For those trapped in rubble after an earthquake, survival depends on many factors, including weather and access to water and air. If their injuries

A 7.7 magnitude earthquake hit Myanmar on Friday, one of the deadliest quakes of the region, leaving behind a massive trail of destruction.

Video filmed by a teenage girl on Saturday (March 29) showed her terrifying ordeal as the Mandalay resident was trapped with her sister and grandmother in the wreckage of their quake-hit apartment building in Myanmar.