Madrid garden green in city

Very beautiful botanical gardens has a variety of trees and plants from all over the world. Entry fee is 4 euros for the gardens only and 6 for gardens + exposition. For students under 25 its 1 and 3 euros. There is also a great greenhouse that demonstrates different ecosystems such as deserts and forests. There was also an exceptional collection of bonsai trees. The gardens are well maintained and there are people everywhere taking care of the plants. There are also plenty if places to sit and enjoy the gardens