The rugged beauty of America's Southwest has been framed and accentuated - by nature.

美国西南部崎岖不平的自然美景被大自然的相框突出点缀。

Travel photographer, Douglas Stratton has captured breath-taking shots of the natural peep holes carved into rock formations over hundreds of thousands of years through weathering.

旅行摄影师道格拉斯·斯特拉顿拍摄到一组照片，是经历数百万年风化岩层上行程的自然窥视孔，画面震撼人心。

The cave-like windows form the perfect frames for the landscapes of Arizona and Utah, where the images were taken.

这一个个形似洞穴的窗户绝妙地充当起相框，那些照片记录下的是这自然相框内亚利桑那州和犹他州的风景。