The Shenzhou-23 crew has entered China’s space station, marking the eighth in-orbit rendezvous of Chinese astronauts in space.At 5:13 a.m. on Monday, the Shenzhou-21 crew opened the hatch to welcome the new arrivals. It was the first time for an astronaut from China’s Hong Kong Special Administrative Region to enter the space station.The six crew members took group photos to mark the occasion. In the following days, they will conduct an in-orbit handover aboard the space station.