Green Boots is one of the famous markings that is used by climbers as a marking during their path to the top. As per the name, it is a pair of bright green boots underneath a caved area on the mountain, but those boots are being worn by a man who has been stuck on Everest for nearly twenty years.

The recent death of former biathlon champion Laura Dahlmeier during a mountaineering expedition has reignited debate over whether – and under what conditions – bodies can be recovered from remote, high-altitude mountains. Key factors are, of course ...