简介：From the mighty Amazon’s icy source to its plume reaching as far as the Caribbean, National Geographic Explorer teams conduct groundbreaking research
简介：49,000 year old Neanderthal bones have been discovered by chance in a remote, mountainous region of Northern Spain. The bones may help solve the bigge
简介： Old school friends go on a paintball trip, miles away from civilization. Things go horribly wrong when they discover a cold-blooded masked killer mo
