简介：After the discovery of a brothel in Pompeii, leading experts believe prostitution and sexual slavery was widespread throughout the region, which led to the reinforcement of classes and power amongst the ancient Roman civilization.
简介：Across the planet, every animal--predator or prey--has survival advantages honed by millions of years of evolution. Watch some of nature's most accomplished survivors as they put their talents to the test, with their very lives at stake.
