A high Andean plateau in Bolivia has turned out to be one of the most crowded dinosaur crossroads ever found, with at least 18,000 fossilized footprints pressed into a single slab of ancient shoreline ...
Argentinean paleontologist Pablo Gallina is shown in 2008 next to several dinosaur footprints discovered by two countrymen in the Icla municipality, Chuquisaca, Bolivia . Photo by Omar Medina ...
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