YOSEMITE, CALIF.—Staff Photographer Ray C. He G basks in triumph atop the 8,000-ft. high Half-Dome at Yosemite National Park in California. A popular destination for hikers, the Half-Dome can be reached via an 8-mile hike through the national park and a 400-ft. climb on cables. This photo is part of a series that showcases the summer adventures of Tech staff members.