Troops include first Chinese security forces to serve with United Nations

With only a few international flights landing and leaving from Harbin, the capital of Heilongjiang province, the city's international airport usually remains quiet. However, on Tuesday, the departure building was bustling with preparations involving a group of Chinese troops.

A 135-strong peacekeeping troop left for Mali on Tuesday evening, in the first time China's army has sent security forces as part of a peacekeeping mission.