Our country starts tall Cheng of 2020 Mount Everest formally to measure

The altitude that filmed on April 30 5200 meters Mount Everest base camp (unmanned aircraft photograph) . Pubuzaxi of reporter of Xinhua News Agency is photographed

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Our country starts tall Cheng of 2020 Mount Everest formally to measure

The altitude that filmed on April 30 5200 meters Mount Everest base camp (unmanned aircraft photograph) . Pubuzaxi of reporter of Xinhua News Agency is photographed

The biggest ground measures rich ministry Li Guopeng of group team leader introduces relevant case on the news briefing (photographed on April 30) . Sun Fei of reporter of Xinhua News Agency is photographed

Tall Cheng of 2020 Mount Everest surveys press conference scene (photographed on April 30) . Sun Fei of reporter of Xinhua News Agency is photographed

Tall Cheng of 2020 Mount Everest surveys press conference scene (photographed on April 30) . Sun Fei of reporter of Xinhua News Agency is photographed