Chinese researchers reached the summit of Mount Everest on the China-Nepal border and established the world’s highest automatic weather station at an altitude of over 8,800 meters on Wednesday. Photo: Xinhua

Researchers set up eight elevation gradient meteorological stations on the mountain, known locally as Mount Qomolangma, one of the major tasks of the expedition. Photo: Courtesy of China University of Geosciences, Wuhan

Researchers collected ice and snow samples on Wednesday. Photo: VCG

A researcher checks the microwave radiometer at the 5,200-meter-high base camp on Tuesday. Photo: Jiang Fan/Xinhua, Courtesy of Communist Youth League of China

A 5G base station was established at an altitude of 5,300 meters above sea level to support the expedition. Photo: Xinhua

Researchers observe a weather balloon at base camp. From 2 p.m. Tuesday to 8 a.m. Wednesday, the team launched four balloon observations to collect weather-related data. Photo: Courtesy of China National Tourist Office, Singapore

An overview of the base camp. Courtesy of China National Tourist Office, Singapore

The expedition also used a Jimu-1 tethered aerostat, a Chinese floating airship, to observe the atmospheric environment at the high altitude. Photo: Courtesy of the Chinese Academy of Sciences

The expedition, named “Peak Mission” was launched on April 28, drawing in more than 270 scientific researchers. Photo: VCG

China has carried out at least six scientific expeditions to Mount Everest since the 1950s. Photo: VCG