Kathmandu (Nepal) (AFP) – Nepali guides are considered the backbone of the climbing industry in the Himalayas. They carry the majority of equipment and food, fix ropes and repair ladders. It can be a perilous occupation and the mountaineers are slowly being recognised in their own right. Sanu Sherpa is one of them – he is the first to summit the world’s fourteen 8,000-metre mountains – twice.