Nature in cities
Cities can be lovely homes for plants and animals. Many cities around the world want to make their cities more livable(宜居的） for animals and plants.Let's see how they do that! Forests in Milan
In Milan, Italy, there are two special tall buildings. Green plants cover them. They look like forests in the air. The "forests" have 800 trees, 15,000 small plants and 5,000 shrubs(灌木）.People plant them on balconies(阳台）.
Wuhan, the "sponge(海绵）city"
Wuhan in Hubei is rich in water. But it is often troubled by flooding(洪水）.In 2015,Wuhan started to build itself as a "sponge city". It built many gardens,ponds(池塘） and wetlands(湿地） around the city. When it rains, they can take in water like a sponge.
Curridabat, the "sweet city"
Curridabat is a wonderful place. It grows flowers along every sidewalk(人行道）,so bees and butterflies have their favourite food. It also builds"bee hotels"around the city. These are nice houses for bees to live and have babies.
