Horse riders perform during Shoton Festival in Lhasa Traditional solar term Chushu marked across China 4 shot dead in Pakistan's Karachi, including 3 policemen Weekly choices of Xinhua photos (March 27 - April 2) Farmers in NW China harvest tea leaves before Qingming Festival Dress rehearsal of La Traviata by Joburg Ballet held at Johannesburg Peach blossoms pictured in front of snow mountain in Tibet In pics: winding mountain road looks like jade belt in central China Farmers pick tea leaves at central China's village