Q&A: Chinese astronauts on what really goes on inside the Tiangong space station, and the beauty of the aerospace dream

In an unprecedented session attended by more than 200 university students and secondary school pupils in Hong Kong on Friday, eight of them asked questions of three astronauts – Liu Boming, Nie Haisheng and Tang Hongbo in space – and senior Chinese space engineers and experts, such as former astronaut Yang Liwei, in Beijing. These were some of the highlights.Where and how do you get the water you drink in space? Can you show us? (pupil from St Paul’s Co-educational College)Liu: Recycled water…