Avalanche kills 8 on Nepal 's Mount Manaslu . Natural disaster revives concerns about crowding on Himalayan peaks . Mount Everest saw 'traffic jams '' in May this year . Comment:
Avalanche kills 8 on Nepal 's Mount Manaslu . Natural disaster revives concerns about crowding on Himalayan peaks . Mount Everest saw 'traffic jams '' in May this year . Big peaks attracting more inexperienced climbers .