Lin Dan, Liu Xin enter Yonex German Open final

China's Lin Dan returns the shuttlecock to Boonsak Ponsana from Thailand during their semi-finals of men's singles at the Yonex German Open Badminton Grand Prix Gold 2011 in Mulheim, Germany, March 5, 2011. Lin Dan won 2-0 to enter the final. (Xinhua/Luo Huanhuan)