mcoast(map_boundaries_colour = "red", map_boundaries = "on", map_coastline_resolution = "high", map_coastline_land_shade_colour = "cream", map_cities = "on", map_grid = "off", map_coastline_land_shade = "on", map_grid_colour = "tan", map_coastline_colour = "tan", map_administrative_boundaries_countries_list = ["FRA", "DEU", "GBR"], map_administrative_boundaries_colour = "orange", map_rivers = "on", map_administrative_boundaries = "on")