News 8 Facts About the Amazon That’ll Blow Your Mind C.C. 0 © luoman – Getty Images Home to Indigenous Groups The Amazon is home to an estimated 400-500 different groups of indigenous people – an approximated 50 of these tribes have never had contact with the outside world. Pages: 1 2 3 4 5 6 7 8 9 <123 4 56 ... 9>