HONG KONG: Aug. 12, 2012 — Wearing blue jumpsuit, astronaut Liu Wang (left) presents a souvenir pin to a university graduate during a seminar sharing their space experience with university students in Hong Kong Sunday, Aug. 12, 2012. (Photo by JUSTIN CHIN)

HONG KONG: Aug. 12, 2012 — Wearing blue jumpsuit, astronaut Liu Wang (left) presents a souvenir pin to a university graduate during a seminar sharing their space experience with university students in Hong Kong Sunday, Aug. 12, 2012. (Photo by JUSTIN CHIN)