+ biomes = {"icesheet_ocean", "tundra", "tundra_beach", "tundra_ocean",
+ "taiga", "taiga_ocean", "snowy_grassland", "snowy_grassland_ocean",
+ "grassland", "grassland_dunes", "grassland_ocean", "coniferous_forest",
+ "coniferous_forest_dunes", "coniferous_forest_ocean", "deciduous_forest",
+ "deciduous_forest_shore", "deciduous_forest_ocean", "cold_desert",
+ "cold_desert_ocean", "savanna", "savanna_shore", "savanna_ocean",
+ "rainforest", "rainforest_swamp", "rainforest_ocean", "underground"}