city green space system
the Green City of China
the Shenzhen Urban Planning and Design Guidelines for Building Green City
city’s ecological green land
Green heart of the city
Green spaces of Kunming city
regional green space around city
bromocresol green; bromcresol green; tetrabromocresolsulfon-phthalein
coccus viridis（green） （Lecanium viride Green）
Discussion on Green Demand and Green Marketing