A man helps an old woman walk in the rubble in Luyang, Sichuan after the 7.0 magnitude earthquake on April 20. Photo: Simon Song

A woman weeps as she holds a young child in her arms in the earthquake-hit county of Luzhou, Sichuan Province on April 20. Photo: Simon Song

Members of rescue team are transporting rescue supplies. Photo: Simon Song

A women stands in front of collapsed houses in Longmenxiang, Lushan country on April 20. Photo : Simon Song

Chinese premier Li Keqiang, centre, speaks with local officials and rescuers after he arrived in the quake zone. Photo: SCMP/Simon Song