green areas parks 23 city planning 23 public open spaces 20 towns 14 landscape forming 12 gardens 10 more ... green roofs 10 sustainable architecture 8 veřejná zeleň 7 woody plants 6 ecology 6 environment 6 territorial planning 5 architecture 4 landscape architecture 4 squares 4 permanently sustainable development 4 urban plants 4 landscape gardening 4 architectural designs 3 ecological housing 3 front walls 3 history 3 plants 3 sustainable construction 3 water management 3 životní prostředí měst 3 architecture and town planning 2 biomass 2 less ...