According to a report on the website of Radio Hong Kong on August 21, the three astronauts of Shenzhou 12, Nie Haisheng, Liu Boming and Tang Hongbo, will have a real-time "heaven and earth dialogue" with Hong Kong teenagers on the space station on September 3, and lead Hong Kong citizens to visit the sky and core module of the space station, Answer the collected questions of Hong Kong citizens < p > Hong Kong's China News Agency quoted relevant news as saying that the event was hosted by the Hong Kong Central Liaison Office and the Hong Kong SAR government. It will solicit "Heaven Earth dialogue" exchange questions from Hong Kong citizens from next Monday (August 23), and express its wishes to astronauts on the space station and Beijing Aerospace experts < p > the report also said that citizens can participate in the collection of questions and wishes through the website of Hong Kong STEM Education Alliance. After the event, all participants will receive a national manned spaceflight souvenir. The Hong Kong STEM Education Alliance will also draw a number of first, second and third prizes from the participants and give them prizes such as aerospace commemorative mail album, aerospace embroidery badge, Shenzhou 12 mission sign and so on < p > screenshot of the activity page of the website of Hong Kong STEM Education Alliance < / P > < p > on the 20th, the second extravehicular activity of the Shenzhou 12 astronaut crew was a complete success, as shown in Xinhua < / P > < p >