Blue Gold

In 1996 there was a men who walked from Mexico to Canada.The men was  walking in a hot desert.When he ran out of water, he survived for a week.But then his skin was turning purple and blue.He began to shrink and his mouth despaired,and he could not breathe good .So then he died ,and when he was rescued he was already dead.And the earth is covered with 97% of salt water.The water is under City of  Mexico .That's what I learned about the movie.=]