mountaineers

 The long-time exposed photo shows the headlamps of mountaineers climbing the 4477 meters (14,688 feet) high Matterhorn above Zermatt, Switzerland, Tuesday morning, July 23, 2013. (AP Photo/Keystone, Arno Balzarini)

Arno Balzarini/AP

The long-time exposed photo shows the headlamps of mountaineers climbing the 4,477m-high Matterhorn above Zermatt, Switzerland, on Tuesday morning