People clear the ruin of a collapsed temple at Basantapur Durbar Square after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured.(Xinhua/Pratap Thapa)

 

Photo taken on April 25, 2015 shows collapsed buildings after an earthquake in Kathmandu, capital of Nepal. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured.(Xinhua)

 

Photo taken on April 25, 2015 shows a collapsed building after an earthquake in Kathmandu, capital of Nepal. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured.(Xinhua)

 

Tourists pray at a hotel after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured.(Xinhua/Pratap Thapa)

 

Tourists are seen at a hotel after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured. (Xinhua/Pratap Thapa)

 

Parts of a statue are seen on the ground at Basantapur Durbar Square after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured. (Xinhua/Pratap Thapa)

 

People gather beside damaged buildings after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured.(Xinhua/Pratap Thapa)

 

People gather around collapsed temples at Basantapur Durbar Square after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured.(Xinhua/Pratap Thapa)

 

People clear ruins of collapsed buildings at Durbar Square after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. More than 900 people, including 256 in the capital of Kathmandu, have been killed in a fatal earthquake, which jolted large parts of Nepal as well as eastern India and Bangladesh on Saturday. (Xinhua/Zhou Shengping)

 

Collapsed buildings are seen at Durbar Square after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. More than 900 people, including 256 in the capital of Kathmandu, have been killed in a fatal earthquake, which jolted large parts of Nepal as well as eastern India and Bangladesh on Saturday. (Xinhua/Zhou Shengping)

 

Collapsed buildings are seen at Durbar Square after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. More than 900 people, including 256 in the capital of Kathmandu, have been killed in a fatal earthquake, which jolted large parts of Nepal as well as eastern India and Bangladesh on Saturday. (Xinhua/Zhou Shengping)

 

Collapsed buildings are seen at Durbar Square after an earthquake in Kathmandu, capital of Nepal, on April 25, 2015. More than 900 people, including 256 in the capital of Kathmandu, have been killed in a fatal earthquake, which jolted large parts of Nepal as well as eastern India and Bangladesh on Saturday. (Xinhua/Zhou Shengping)

 

Buildings collapsing in quake are seen at the Durbar Square in Kathmandu, capital of Nepal, April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured. (Xinhua/Zhou Shengping)

 

Buildings collapsing in quake are seen at the Durbar Square in Kathmandu, capital of Nepal, April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured. (Xinhua/Zhou Shengping)

 

Buildings collapsing in quake are seen at the Durbar Square in Kathmandu, capital of Nepal, April 25, 2015. An 8.1-magnitude earthquake and a 7.0-magnitude aftershock stuck Nepal on Saturday, leaving 1,805 people dead and 4,718 others injured. (Xinhua/Zhou Shengping)