Tupopdan Peak, 20,033 feet (6,106 meters)

• also known as "Passu Cathedral," just north of Gulmit
•  village in the Hunza Valley region of Pakistan, photographed on July 28, 2015. Thepicturesque
•  valley was one of several important passes along the ancient Silk Road, situated betweeChina's
•  western Xinjiang region and Afghanistan's Wakhan Corridor.