Yağmur ormanları korunmalı. - Rainforests should be preserved.
Yağmur ormanları korunmalı.
Rainforests should be preserved.
Onlar binayı korudular. - They have preserved the building.
Onlar binayı korudular.
They have preserved the building.
... and they have to be preserved. ...
... it is preserved the atmosphere of charming rural village ...