View of a grass-lined channel, also called a grassy swale or bioswale, in the US(U.S. Department of Agriculture, Natural Resources Conservation Service) Source: https://commons.wikimedia.org/wiki/File:Grass_lined_channel_NRCS.jpg
View of a grass-lined channel, also called a grassy swale or bioswale, in the US(U.S. Department of Agriculture, Natural Resources Conservation Service)
