Mexican airport site emerges as major graveyard of Ice Age mammoths

Amid busy construction crews racing to build an airport in Mexico, scientists are unearthing more and more mammoth skeletons in what has quickly become one of the world’s biggest concentrations of the now-extinct relative of modern elephants.

More than 100 mammoth skeletons have been identified spread across nearly 200 excavation sites, along with a mix of other Ice Age mammals, in the area destined to become the Mexican capital’s new commercial airport.

Lead archeologist Ruben Manzanilla explained on Tuesday that around 24,000 years ago mammoth herds reached this spot where sprawling . . .