A photo by astronaut Tang Hongbo on July 21 shows the Gulf of Guinea from space. The China Manned Space Engineering Office released photos taken by the Shenzhou-12 crew on Tuesday, attracting extensive attention online in China. Photo: Tang Hongbo/China Manned Space Engineering Office, CCTV+, VCG

A view of night lights in North Africa on July 30. Photo: Tang Hongbo/China Manned Space Engineering Office, CCTV+, VCG

A photo shows the outline of the Horn of Africa as the Shenzhou-12 manned spacecraft, attached to the Tianhe core module, passes by the Ethiopian Highland at 6:32 a.m. on Aug. 8, Beijing time. Photo: Tang Hongbo/China Manned Space Engineering Office, CCTV+, VCG

Astronaut Nie Haisheng captures the night view of Beijing at 9: 29 p.m. on Aug. 24 while flying above the city. Photo: Nie Haisheng/China Manned Space Engineering Office, CCTV+, VCG

The starfish-shaped Beijing Daxing International Airport is seen on the right of the enlarged aerial photo of Beijing. Photo: Nie Haisheng/China Manned Space Engineering Office, CCTV+, VCG

The Shenzhou-12 manned spacecraft, attached to the Tianhe core module, flies above the Pacific Ocean at 9: 41 p.m. on Aug. 24. Photo: Nie Haisheng/China Manned Space Engineering Office, CCTV+, VCG

Tang Hongbo records the scene outside a window of the spacecraft on Aug. 13 after finishing training inside the Tianhe core module. Photo: Tang Hongbo/China Manned Space Engineering Office, CCTV+, VCG

Nie Haisheng and Liu Boming return to the core module after completing their second spacewalk in around 6 hours on Aug. 20. Photo: Courtesy of China Manned Space Engineering Office

Nie Haisheng and Liu Boming installed multiple devices during their second spacewalk on Aug. 20, including a backup air-conditioning unit, foot restraint, and platform for the robotic arm of the space station. Photo: Courtesy of the China Manned Space Engineering Office

Nie Haisheng takes a photo of Liu Boming (center) during their second spacewalk on Aug. 20. Photo: Courtesy of China Manned Space Engineering Office

A photo taken by Liu Boming shows Nie Haisheng attached to a robotic arm with the Earth’s surface in the background on Aug. 20. Photo: Courtesy of China Manned Space Engineering Office