Keeping track(s) of time: Thousands of footprints left by dinosaurs 68 million years ago found on a steep vertical rock face

There are 462 trails made up of 5,055 prints (some pictured) preserved in the vertical slab at Fancesa limestone quarry in Sucre, Bolivia.

from Articles | Mail Online http://www.dailymail.co.uk/sciencetech/article-3062345/Keeping-track-s-time-Footprints-left-dinosaurs-68-million-years-ago-steep-vertical-rock-face.html?ITO=1490&ns_mchannel=rss&ns_campaign=1490

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