The Retiro, as seen from Cerro del Tío Pio (Madrid)Public green spaces as defined in urban planning documents in Madrid (left, M30 in black) and Buenos Aires (right)
data.buenosaires.gob.ar, PGOUM Madrid 1997
500 m around the public green spaces500 m around the green public spaces over 5000 sq m
metrhispanic 
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