Living in a city can be stressful. But some people in Bogota, Colombia have found a place to help reduce stress and get a break from busy life.     1     place is a park for hummingbirds(蜂鸟).

The park     2    (sit) at the top of Monserrate Hill in a place known as the Paramuno corridor. The area contains a forest that has turned into a peaceful place for both people and birds.

As the hummingbirds fly from flower     3     flower, some scientists concentrate on(集中于) the animals and study them, while others would like     4    (take) pictures with their phones. Camilo Cantor is a worker in the park,     5     job is to mix water and sugar along a 300 meter path. Cantor explains, “You can hear noise from the city, the producer of     6    (pollute).” But, he adds, the park is a special place. It is a place     7     people can go to reduce stress and forget about the pressure of city life.

Ten years ago, the hill     8    (destroy) completely, meaning there were not any trees left on it. But workers began to plant local trees and flowers again to bring the forest back to life. At present, there are a number of birds,     9    (include) 18 kinds of hummingbirds and some migratory(迁徙的) species.

Hummingbirds are only found on the American continent and Colombia is home to     10    (vary) kinds of birds.

The area of the Yellow River Wetland Park in Yinchuan, once a place local people avoided because of serious pollution, has not only become a popular destination for locals, but also a habitat frequently     1     (visit) by migratory birds.

The Yinchuan Wetland Park is only part of China’s achievements in the     2     (protect) of wetland. In the past few years, many cities     3     (award) “international wetland cities”,   showing     4     great variety of patterns and styles. For example, Wuhan, known as   “a city of a hundred lakes”, has five large wetland reserves, where tens of thousands birds come     5     (stay)in wintertime.

Liangping district in Chongqing, however, is     6     (total) different from natural wetland. It is more closely tied     7     human activity. People built small wetlands in rural areas. What’s more, they have combined these wetlands with organic farms, homestays and healthcare centers,    8     has resulted in an income increase of 52,000 yuan per household.

Panjin in Liaoning Province is another     9     (surprise) wetland city. In the past, the city suffered from environmental problems caused by oil production. But now in the coastal wetlands, seagrass turns a breathtaking red every autumn,     10    (create) beautiful   “red beaches”.