
Veteran Sherpa guide Kami Rita, 53, center, who scaled Mount Everest for the 28th time on Tuesday arrives at the airport in Kathmandu, Nepal, Thursday, May 25, 2023. Nepal is getting ready to mark the 70th anniversary of the first ascent of Mount Everest in 1953 by New Zealander Edmund Hillary and his Sherpa guide Tenzing Norgay. (AP Photo/Niranjan Shrestha)

A security person stands guard in front of a statue of Tenzing Norgay and Edmund Hillary at the tourism board in Kathmandu, Nepal, Thursday, May 25, 2023. Nepal is getting ready to mark the 70th anniversary of the first ascent of Mount Everest in 1953 by New Zealander Edmund Hillary and his Sherpa guide Tenzing Norgay. (AP Photo/Niranjan Shrestha)

Phurba Tenjing, a Sherpa guide who just scaled Mount Everest, for the 16th time speaks to the Associated Press in Kathmandu, Nepal, Thursday, May 25, 2023. Tenjing has been climbing Everest since the age of 17 and said both the snow and ice have melted and the trek that sued to take five or six hours over the icy path now only takes half hour because the glaciers have melted and bare rocks are exposed. Nepal is getting ready to mark the 70th anniversary of the conquest of the peak. (AP Photo/Niranjan Shrestha)

A vendor at a trekking gear store adjusts the rope used for climbing at the Thamel tourist hub in Kathmandu, Nepal, Thursday, May 25, 2023. Nepal is getting ready to mark the 70th anniversary of the first ascent of Mount Everest in 1953 by New Zealander Edmund Hillary and his Sherpa guide Tenzing Norgay. (AP Photo/Niranjan Shrestha)

FILE - A bird flies with Mount Everest seen in the background from Namche Bajar, Solukhumbu district, Nepal, May 27, 2019. As the mountaineering community prepare to celebrate the 70 anniversary of the conquest of Mount Everest, there is rising concern about the glacier and snow is melting, the temperature is rising and weather is getting harsh and unpredictable on world's highest mountain. (AP Photo/Niranjan Shrestha, File)