Two thousand feet above the Urubamba river, these ruins consist of baths, temples, palaces and about 150 houses, all very well preserved.

马丘·比丘位于乌鲁班巴河两千英尺之上，由银盘、神庙、宫殿及150多间的房子组成，这些都保存的十分完整。

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"Makeshift wheelie bin ice baths are best as the pressure caused by 1.5m of water above your legs increases the impact of the cold water," he says.

“冰浴最好是使用移动式垃圾桶，因为在您腿部之上，1.5 m水位产生的压力可以提高冷水的影响，”他说。

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Unlike previous projects at Microsoft and the University of Washington, the team at UNC used a home PC (albeit one with four GPUs) to process millions of images pulled from the Internet and construct 3D models of such landmarks as the Colosseum and the Roman baths at Sagalassos (above).

ENGADGET: UNC researchers develop a system for creating 3D models using images pulled from Flickr, off-the-shelf components