[
  {
    "type": "mapgen",
    "om_terrain": [ "ws_giant_sinkhole_1" ],
    "object": {
      "fallback_predecessor_mapgen": "field",
      "rows": [
        "                        ",
        "                        ",
        "       XXX              ",
        "      XXXXX             ",
        "     XXXXXXX   XXXXXX   ",
        "    XXXXXXXXXXXXXXXXXX  ",
        "   XXXXXXXXXXXXXXXXXXX  ",
        "   XXXXXXXXXXXXXXXXXX   ",
        "  XXXXXXXXXXXXXXXXXX    ",
        "  XXXXXXXXXXXXXXXXX     ",
        "  XXXXXXXXXXXXXXXX      ",
        "  XXXXXXXXXXXXXXXXX     ",
        "   XXXXXXXXXXXXXXXXX    ",
        "   XXXXXXXXXXXXXXXXXX   ",
        "    XXXXXXXXXXXXXXXXX   ",
        "     XXXXXXXXXXXXXXXX   ",
        "    XXXXXXXXXXXXXXXXXX  ",
        "    XXXXXXXXXXXXXXXXXXX ",
        "   XXXXXXXXXXXXXXXXXXXX ",
        "  XXXXXXXXXXXXXXXXXXXX  ",
        "     XXXXXXXXXXXXXXXXX  ",
        "               XXXXXX   ",
        "                 XX     ",
        "                        "
      ],
      "flags": [ "ERASE_ALL_BEFORE_PLACING_TERRAIN" ],
      "terrain": { "X": "t_open_air" }
    }
  },
  {
    "type": "mapgen",
    "om_terrain": [ "ws_giant_sinkhole_2" ],
    "object": {
      "fallback_predecessor_mapgen": "solid_earth",
      "rows": [
        "                        ",
        "                        ",
        "       ooo              ",
        "      o..oo             ",
        "     ...w...   o...oo   ",
        "    ...wwww..........o  ",
        "   o...wWwww.........o  ",
        "   ...wwWWWww........   ",
        "  o..wwWWWWww.......    ",
        "  ....wwWWWwww.....     ",
        "  o...wwWWWWww....      ",
        "  o...wWWWWWww.....     ",
        "   ..wwwwWWWwww.....    ",
        "   o..wwwWWWwww.....o   ",
        "    ....wwwWWww......   ",
        "     ....wwWWwww.....   ",
        "    o.....wwWWww......  ",
        "    ......wwWWww......o ",
        "   o.......wwww.......o ",
        "  ooo.......ww........  ",
        "     ooo..............  ",
        "               o..ooo   ",
        "                 oo     ",
        "                        "
      ],
      "flags": [ "ERASE_ALL_BEFORE_PLACING_TERRAIN" ],
      "terrain": { "o": "t_dirtmound", ".": "t_region_soil", "W": "t_water_dp", "w": "t_water_sh" }
    }
  }
]
