Tangshan in 1976.(File Photo) 

July 28 2015 marks the 39th anniversary of Tangshan earthquake in China. A group of photos awaken you the memory of the earthquake in 1976.

242,769 people were killed, 164,851 people were disabled, over 7200 families were broken, 4202 children became orphans, a city almost had been wiped off the map in several seconds, This is the Tangshan earthquake, which is known as one of the top ten global catastrophes in 20th century.