(
    [
        (
            specifier: "world.tree.mangroves.1",
            center: (18, 18, 8)
        ),
        (
            specifier: "world.tree.mangroves.2",
            center: (16, 17, 7)
        ),
        (
            specifier: "world.tree.mangroves.3",
            center: (18, 18, 8)
        ),
        (
            specifier: "world.tree.mangroves.4",
            center: (18, 16, 8)
        ),
        (
            specifier: "world.tree.mangroves.5",
            center: (19, 20, 9)
        ),
        (
            specifier: "world.tree.mangroves.6",
            center: (18, 18, 9)
        ),
        (
            specifier: "world.tree.mangroves.7",
            center: (18, 17, 9)
        ),
        (
            specifier: "world.tree.mangroves.8",
            center: (18, 18, 9)
        ),
    ]
)