A cairn of stones on the trail up to Intermediate Camp, Mentok Kangri (6250 metres), Ladakh, India. Tso Moriri (or Lake Moriri) lies at the foot of the mountain. [Getty Images]

A cairn of stones on the trail up to Intermediate Camp, Mentok Kangri (6250 metres), Ladakh, India. Tso Moriri (or Lake Moriri) lies at the foot of the mountain.

Gallo Images ROOTS RF collection Christine Pemberton