Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Qiao Lihua, a member of Chinese riot squad to be sent to Liberia, examines her shooting scores during a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take a break during a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng) 

Members of Chinese riot squad to be sent to Liberia take part in a drill in Jinan, capital of east China's Shandong Province, Feb. 9, 2015. A total of 140 members of Chinese riot squad, who will start off in March for an eight-month United Nations peace-keeping mission in Liberia, took part in a drill in Jinan on Monday. It is the third group of Chinese riot police to head for the western African country. (Xinhua/Zhu Zheng)