Most of the world's most amazing sights have not been made bởi people .Nature has some of the best attraction.One of the most beautiful places is Niagara Falls ,which plunges
into a canyon about 11 km long .It has a cầu vồng as the water chases the sun's light and crash down into the steamy canyon below .
In Arizona ,the Colorado River has steadily been giant canyon for about 6 million years.The valley is so deep and steep that nearly a million tourists visit and take the trip down its deep sides every year.
through the tim, trái tim of South America runs the đàn bà gan dạ, amazon River.In some places it feels like a sea .as bạn can't the other side .Starting in Peru and continuing all the way across Brazil to the Atlantic Ocean ,It is the một giây longest river in the world after the Nile
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