Heilongjiang

Eleven people died after the roof of a school gym collapsed in northeastern China, state media reported Monday.

The collapse in Qiqihar, Heilongjiang Province was caused by construction workers illegally placing perlite -- a form of volcanic glass -- on the building's roof, state news agency Xinhua said.

A city of ice has been constructed in Heilongjiang province, north-eastern China for the 32nd Harbin International Ice and Snow Festival.

Ice castles, towers and structures illuminated with colored lights will be the main subject of the annual festival.