CNNChina to create 'line of separation' at Everest summit over Covid fearsMay 9, 2021bookmark_bordersharemore_vert
NPRChina To Set Up 'Line Of Separation' On Mount Everest, Citing Nepal COVID-19 OutbreakMay 10, 2021Bill ChappellBy Bill Chappellbookmark_bordersharemore_vert
The GuardianNepal urges Everest climbers to return used oxygen canisters amid Covid crisisMay 11, 2021bookmark_bordersharemore_vert