来自MSN7 个月
Utah's famed Double Arch collapses, underscores fragility of National Park features
One of Utah’s natural wonders will never be the same following an arch collapse at Glen Canyon National Recreation Area. Double Arch, a frequently visited geologic feature in Glen Canyon’s ...
来自MSN8 个月
Erosion suspected in collapse of Utah's popular Double Arch rock formation
Aug. 10 (UPI) --A beloved and unique geologic feature in Utah's Glen Canyon National Recreation Area is no more following the collapse this week of the Double Arch sandstone formation in Utah ...