#7 COLORADO RIVER (USA)
Colorado is a river which flows through United States of America and Mexico. It rises on the western slopes of the Rocky Mountains. Colorado River water supplies around 30 million people, due to excessive exploitation of only one-tenth of the former quantity of water arriving in Mexico.
It still represents of one the dangerous place to visit, because only in the year of 2014 – 15 people died because of the river stream Although it’s of one the greatest river that threats it will dry up the tourist never gave up visiting this extraordinary place.