A trekking path (lower-R) is overshadowed by high-altitude peaks including Ama Dablam (top-C) in a valley leading north into Nepal's Khumbu region, which is home to Mt. Everest on April 18, 2015. This region is flooded by hikers and climbers this time of the year.  AFP PHOTO/ROBERTO SCHMIDT        (Photo credit should read ROBERTO SCHMIDT/AFP via Getty Images)