world environment day. a lush tree growing on a floating piece of land with a modern cityscape in the background

ai architecture balance city cityscape coexistence conservation ecocity ecofriendly environment environmentday environmentintegration environmentprotection floating future generated green greenarchitecture greenery greenurban harmony innovation integration land landscape metropolitan modern moderncity nature natureinthecity picturesque preservation scenic scenicview skyline sustainability sustainablecity tree urban urbanforest urbanplanning