Bosco Verticale

Bosco Verticale is a pair of residential towers in the Porta Nuova district of Milan, Italy, between Via Gaetano de Castillia and Via Federico Confalonieri near Milano Porta Garibaldi railway station. They have a height of 111 metres and 76 metres and contain more than 900 trees on 8,900 square metres of terraces. Within the complex is an 11-storey office building; its facade does not include plants.The towers were designed by Boeri Studio. It also involved input from horticulturalists and botanists.The building was inaugurated in October 2014.

Source: Wikipedia