xi shun served in the people's republic of china army but got discharged because of rheumatism. he once saved some dolphins' lives by getting pieces of plastic from their stomachs that veterinarians could not reach. radhouane charbib was the tallest man by guinness world records until bao xishun beat his record on 15 january 2005. that is where he was measured 2 millimetres taller in the chifeng hospital in china.