An aerial photograph of the site of the landslide in Shenzhen, China, on December 21, 2015. #

Rescuers look for survivors after a landslide hit an industrial park in Shenzhen on December 20, 2015. #

Chinese rescuers work at the site of a landslide in Shenzhen on December 21, 2015. #

Rescuers use machinery to search for potential survivors near the buildings buried under a sea of red mud in Shenzhen on December 21, 2015. #

Rescuers search for potential survivors near collapsed buildings following a landslide in Shenzhen on December 21, 2015. #

In this aerial photograph, Chinese rescuers work at the site of the landslide in Shenzhen on December 21, 2015. #

An aerial photograph of the landslide in Shenzhen on December 21, 2015. #

A damaged building in the debris of a landslide that hit an industrial park in Shenzhen on December 20, 2015. #

Chinese rescue personnel walk past damaged buildings and vehicles at the site of a landslide in Shenzhen on December 21, 2015. #

Rescuers use machinery to search for potential survivors following a landslide in Shenzhen on December 21, 2015. #

Excavators work at the site to search for landslide survivors among debris of destroyed buildings in Shenzhen on December 21, 2015. #

Rescuers search for survivors in the rubble of collapsed buildings on December 20, 2015, in Shenzhen, China. #

An aerial view shows rescuers looking for survivors at a damaged building in Shenzhen on December 21, 2015. #

Rescue workers look for survivors after a landslide hit an industrial park in Shenzhen on December 21, 2015. #

Rescue workers on site in Shenzhen, Guangdong Province, on December 21, 2015. #

Rescue workers look for survivors on December 21, 2015. #

Emergency services search for survivors at an industrial park on December 20, 2015. #

Firefighters stand next to collapsed buildings in Shenzhen on December 20, 2015. #

Evacuees rest in a shelter set up at a gymnasium near the industrial park hit by a landslide on December 21, 2015. #

Broken houses in the landslide in Shenzhen on December 21, 2015. #

People watch rescuers using machinery to potential survivors near a collapsed buildings on December 21, 2015. #

Men in business suits stand on a pile of mud, after the landslide in Shenzhen on December 21, 2015. #

Dogs left stranded at a collapsed building on December 21, 2015. #

Damaged vehicles at the site in Shenzhen on December 21, 2015. #

Firefighters search for survivors after buildings collapsed in Shenzhen on December 21, 2015. #

Rescue workers work in Shenzhen on December 21, 2015. #