In this area of the world a very high number of people live to be 100. Scientists want to know why. Ecuador. Vilcabamba, a small village in the Andes, is often called 'the Valley of A Long Life', What's its secret? Firstly, Vilcabamba is not very hot or very cold - the temperature is usually between 18 and 27 degrees, and the air is very clean. Secondly, people work hard in the fields, and do a lot of exercise. Thirdly, their diet is very healthy - they eat a lot of fruit and vegetables, and they hardly ever eat meat or fish, The water they drink, from the river in Vilcabamba, is very rich in minerals. They also have a good social life. In Vilcabamba people say, The left leg and the right leg help you to be healthy, because they take you to your friends homes.​

Archaeologist - a scientist who studies the life and culture of ancient civilizations on the remains of their life. The main tasks of the archaeologist works include excavations to search for the study of sources. Archaeology is often compared to the work of the detective. This is a creative profession, as you have to use your imagination and abstract thinking to recreate a pristine picture of the past of the world. Archeologists work as if with some puzzle elements, which need to pull together to solve the mystery. Sometimes, the entire disclosure of the secrets of some ancient culture or archaeological site takes years.

Use prepositions or adverbs if necessary: 1) Canada is the world’s second largest country. It occu­pies the whole ...

the northern part ... the North American Continent. It is washed ... the Pacific Ocean ... the west,... the Arctic Ocean ... the north, and ... the Atlantic Ocean ... the east. It borders on (граничит) the United States ... the south. Canada has nearly 15 percent ... the world’s fresh water surface (поверхность). There are so many lakes ... Canada that they have never been counted. The climate ... the eastern and central parts ... Canada is continental... hot summers and cold winters, but... the south­western and southern parts ... the country the climate is mild. Canada’s forests are one ... her greatest resources. 2) The language ... Australia is English. The climate ... Australia varies... tropical... the cool and temperate. Australia is the driest continent... the Earth. About one half... its terri­tory is occupied ... deserts (пустыни) and semideserts. The commonest trees ... Australia are the eucalyptus, ... which there are over 500 kinds. There are also ocacia or mimosa, which is the national emblem ... Australia. Even stranger than plants are the animals. There live kangaroos, duckbills (утконосы), koalas (or koala bears) and a great number... dif­ferent birds, parrots... them.

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