4.1 世界十大著名景点课件.pptVIP

世界十大著名景点;;The Grand Canyon is 277 miles (446?km) long, ranges in width from 4 to 18 miles (6.4 to 29?km) and attains a depth of over a mile (1.83?km) (6000?feet). Nearly two billion years of the Earths geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted. While the specific geologic processes and timing that formed the Grand Canyon are the subject of debate by geologists, recent evidence suggests the Colorado River established its course through the canyon at least 17 million years ago. Since that time, the Colorado River continued to erode and form the canyon to the point we see it as today. ;The Great Barrier Reef? is the largest coral reef in the world,? roughly parallel to the coast of Queensland, Australia, for almost 2,000km. Australia has almost 1/5th of the worlds reef area and most is located in the GBR. Washed by the warm waters of the South-West Pacific Ocean the perfect environment is created for the worlds largest system of coral reefs.? The Great Barrier Reef is of such pristine condition that it was listed by the World Heritage Trust as a protected site and is therefore managed by the Great Barrier Reef Marine Authority to ensure that its beauty is maintained for many generations to come.?;;Florida is a state located in the southeastern region of the United States. Most of the state is a large peninsula with the Gulf of Mexico on its west and the Atlantic Ocean on its east. Much of the state has a humid subtropical climate; southern Florida has a tropical climate.Florida was named by Juan Ponce de León, who landed on the peninsula on 2 April 1513, during Pascua Florida (Spanish for Flowery Easter, referring to the Easter season). Florida is the fourth most populous state in the country.;New Zealand consists of the North Island and the South Island, which are separated by Cook Strait, and several smaller islands. Both main islands are