A former security guard from northeastern China has successfully secured a spot in a postgraduate programme at the prestigious Tsinghua University after an impressive eight attempts and is now ambitiously pursuing a PhD at Harvard. Yang Xiao, 31, hailing from Shenyang in Liaoning province, has harboured the dream of attending Tsinghua since childhood, as reported by the mainland media outlet Jiupai News. After sitting for the national college entrance examination, or gaokao, in 2013, he was...