Students’ books are left on the ground in a classroom of the Lingguan Middle School in Baoxing county. Photo: Li Hao/GT

A student’s English exercise book lies on stairs in the Lingguan Middle School, Baoxing County, Sichuan Province, on Sunday Photo: Li Hao/GT

Victims eat in a makeshift shelter set up on the playground of the Lingguan Middle School on Sunday. Photo: Li Hao/GT

Police eat amid rescue efforts in Lingguan town, Baoxing county, Sichuan Province, on Sunday. Photo: Li Hao/GT

Local police exhausted from rescue efforts in Lingguan town, Baoxing county, Sichuan Province, on Sunday. Photo: Li Hao/GT

Local firemen rest on the side of a road in Lingguan, Baoxing county, Sichuan Province, on Sunday. Photo: Li Hao/GT

Police line up before returning to the fray in Lingguan, Baoxing county, Sichuan Province, on Sunday. Photo: Li Hao/GT

Rescuers carry an injured person from Lingguan on the way in the neighboring town of Daxi on Sunday. Photo: Li Hao/GT

A quake relief worker operates an excavator to clear a blocked road in Daxi, Baoxing county, Sichuan Province on Sunday. Photo: Li Hao/GT

Police stretcher a person down a highway in Daxi, Tianquan county. Photo: Li Hao/GT

Armed police from Gansizhou, Sichuan Province, walk to rescue victims in quake-torn villages in Baoxing county, on Sunday. Photo: Li Hao/GT

Police transfer an injured person from Lingguan to Laochang, Tianquan county, on Sunday. The highway from Lingguan to Laochang is the only way out from Baoxing county. Photo: Li Hao/GT

Relief workers take a breather in Lingguan, Baoxing county, on Sunday amid rescue efforts. Photo: Li Hao/GT

Debris in the town of Lingguan, Baoxing county, Sichuan Province, on Sunday. The 7-magnitude quake, jolted neighboring Lushan county on Saturday morning. Photo: Li Hao/GT

Villagers from Daxi town, Baoxing county, pack meals for quake relief workers and volunteers on Sunday. Photo: Li Hao/GT

A local resident in Daxi town, Baoxing county, passes by a boulder displaced during the 7.0-magnitude quake, which jolted neighboring Lushan county in Sichuan Province at 8:02 am on Saturday. The quake caused at least 26 deaths and injured 2,500 others, with 30 in critical condition, in Baoxing, according to the county chief Ma Jun on Sunday morning. Photo: Li Hao/GT