Amy was our Lance Armstrong: she had never ridden a bike in her life. And with David's help, she fearlessly peddled on a bicycle-made-for-two. There's no better place to learn than Xi'an!Photo by Bethany
40 feet above the surrounding city, we biked among the trees and rooftops. Our eyes were constantly drifting from the road ahead to the city beyond: old stone rooftops, flashy neon signs, cramped market alleys, broad hectic highways. Photo by Jennifer Carpenter