China's new glass bridge promises heartstopping views

The longest and highest glass-bottomed bridge in the world opened to visitors on Saturday in Zhangjiajie, a scenic national park in central China’s Hunan province.

Spanning two cliffs in the Zhangjiajie Grand Canyon, the bridge is 430 meters long and 6 meters wide, hovering over a 300-meter vertical drop. It looks from the air just like a giant white butterfly.