English: "Landscape" gardening on the M-30 speedway embankment, next to La Elipa neighborhood. Madrid, Spain. The land cut due by the speedway works reveals a layer of underground water, in which plants such as the indigenous tamarisk [Tamarix gallica], the reed [Phragmites australis], the bulrush [Typha latifolia] and rushes had sprouted spontaneously. The " gardener conditioning" razed with them, then planting irrelevant and more difficult to maintain plants