Tourists visit the "East Dream, Future World" aerospace theme park in Sanhe, north China's Hebei Province, Sept. 27, 2015. The theme park covers an area of 33,700 square meters, including 13 interactive exhibitions and 18 interactive games. (Xinhua/Li Mingfang)

Tourists experience space flight training machine at the "East Dream, Future World" aerospace theme park in Sanhe, north China's Hebei Province, Sept. 27, 2015. The theme park covers an area of 33,700 square meters, including 13 interactive exhibitions and 18 interactive games. (Xinhua/Li Mingfang)

Tourists learn medical technology of outer space at the "East Dream, Future World" aerospace theme park in Sanhe, north China's Hebei Province, Sept. 27, 2015. The theme park covers an area of 33,700 square meters, including 13 interactive exhibitions and 18 interactive games. (Xinhua/Li Mingfang)

Photo taken on Sept. 27, 2015 shows a sculpture of "agravic water drops" at the entrance of the "East Dream, Future World" aerospace theme park in Sanhe, north China's Hebei Province, Sept. 27, 2015. The theme park covers an area of 33,700 square meters, including 13 interactive exhibitions and 18 interactive games. (Xinhua/Li Mingfang)

Photo taken on Sept. 27, 2015 shows the exhibition hall of the "East Dream, Future World" aerospace theme park in Sanhe, north China's Hebei Province. The theme park covers an area of 33,700 square meters, including 13 interactive exhibitions and 18 interactive games. (Xinhua/Li Mingfang)

A child tries to maintain balance at a training base in the "East Dream, Future World" aerospace theme park in Sanhe, north China's Hebei Province, Sept. 27, 2015. The theme park covers an area of 33,700 square meters, including 13 interactive exhibitions and 18 interactive games. (Xinhua/Li Mingfang)

Tourists experience the joy of acoustics at the "East Dream, Future World" aerospace theme park in Sanhe, north China's Hebei Province, Sept. 27, 2015. The theme park covers an area of 33,700 square meters, including 13 interactive exhibitions and 18 interactive games. (Xinhua/Li Mingfang)