Rock climbers scale new heights

Pakistanis discover a sport that has drawn others to their nation

A dozen young men and women stand before a rock face on the outskirts of Islamabad, challenging and cheering each other on as they take turns scrambling up the limestone in front of curious onlookers.

The country has long been a magnet for mountaineers, drawn by the grandeur of regions like Gilgit-Baltistan, where three of the world's greatest mountain ranges - the Karakoram, the Hindu Kush and the Himalayas - collide.