Integral conservation service of parks and municipal nurseries (7 lots).
L1: Gardens of Buen RetiroL1: Gardens of Buen Retiro
L2: Historical parksL2: Historical parks
L3: Unique parks east.L3: Unique parks east.
L4: Unique parks west.L4: Unique parks west.
L5: Forest parks.L5: Forest parks.
L6: Casa de Campo and forest area of Tres Cantos.L6: Casa de Campo and forest area of Tres Cantos.
L7: Municipal nurseries and Rosaleda de Madrid.L7: Municipal nurseries and Rosaleda de Madrid.