In this picture taken on Oct. 13, 2019, a Pakistani guide lays flowers in tribute at a memorial for alpinist Karl Unterkircher who died in 2008 while attempting to climb Nanga Parbat, in Nanga Parbat base camp. Such was the determination of Nepali climber Nirmal Purja to climb the world's 14 highest mountains, that he had them tattooed across his back, complete with swirling clouds and Tibetan prayer flags. — AFP