The city Greenny is beautiful composition created only by nature. This large city is considered to be the creation of art due to its unreal buildings made of the trees, branches, leaves and flowers. It is unique because all here is created only by nature. The walls are made of the lianas that are tightly intertwined and create a very rigid wall. The r... read more

The problem of the mutual relations in the system “person - nature - civilization” is among the eternal philosophical problems. Without going too far into the history of its formation and development, the first ecological crises of a local character had been known since the ancient times, and they were the basis which served an evident illustration of a vital importance of the given problem.... read more