It became a World Heritage site in 1979.
It is not known if the Grand Canyon is the oldest canyon in the world. The exact date is not known, however, it has been said that the canyon is at least 5-6 million years old.
John Wesley Powell adventured through the Grand Canyon on the Colorado River on May 24, 1869.
Very slowly, since the process has taken 17 million years to date.
1997
I think you mean 'Amazing Grace'. It's sung by Rod Stewart.
A mile deep canyon carved by the mighty Colorado River that cuts through rock layers that date from 200 million ago at the top to nearly 2 billion years ago at the bottom.
The rocks forming the canyon date from 200 million ago at the top to nearly 2 billion years ago at the bottom that is a very good section through Earth's geological history.
The leaning tower of Pisa was added to the world heritage site list because it is ancient, beautiful and well known. It receives a lot of tourist attraction and is large and tall.
24 september
Plenty. The Sims being most popular for it, but other games which technically correspond to virtual world would be Grand Theft Auto: San Andreas and Grand Theft Auto IV, both which let you date people.
June 18th was the announced opening date, it was also the Grand (soft) opening.
its is buut is NT caaas i loove yoou (: