An 80-year-old Japanese man who began the year with his fourth heart operation has become the oldest conqueror of Mount Everest, a feat he called "the world's best feeling" even with an 81-year-old Nepalese climber not far behind him.
Yuichiro Miura, a former extreme skier who also climbed the 8,850-metre (29,035-foot) peak when he was 70 and 75, reached the summit at 9:05am local time, according to a Nepalese mountaineering official and Miura's Tokyo-based support team.
It was a moment Japanese news agency Kyodo captured on video from 10 kilometres away, using a camera crew at 5,500 metres…