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They then flew to Everest base camp from Kathmandu and started climbing straight away, Mr Furtenbach said.

Each time I visit Kathmandu, I hope to catch a glimpse of the dramatic mountain range.

"We are primarily interested in the scientific question of the dynamics and deposition of Champati slide: how it flows, where it goes, how far, and with what force," said author Shiva Pudasaini from Kathmandu.

Above, Nima waves to supporters at the Kathmandu airport after he broke the record.

The Nepalese government urged people to avoid unnecessary travel, and banned road travel at night in the Kathmandu valley to minimise road accidents.