Singapour20200512_bk_carpark_rooftop_farming_2 Boon Keong/TODAY
The rooftops of nine multi-storey car parks managed by the Housing and Development Board (HDB) will soon be made available for urban farmers to rent the space and grow crops, the Singapore Food Agency (SFA) said. By Low Youjion 

These are car parks located in housing estates such as Chua Chu Kang, Tampines, Sembawang and Jurong West.
"This is a similar strategy as Parisculteurs (Paris) or Le Verger (Marseille). Complexity will be to find the urban farmer company strong enough to pay high rent! Let see the future" Guillaume Morel ( Astredhor)
Read more at https://www.todayonline.com/urban-farming-will-be-allowed-rooftops-9-hdb-multi-storey-car-parks