Island of Bones
===============

+-- Ground level --------------------+
|                                 ^  |
|                     *--*        M  |
|                     |  |           |
|                     |  |           |
|      *--*--*        *  *           |
|     /      |         \             |
|    /       |          \            |
|   *        *           *           |
|   |        |           |           |
|   |       ^|^        > |           |
|   *       >C-~*>    M+-*           |
|   |        |>                      |
|   |        |                       |
|   *        *                       |
|   |        |                       |
|   |        |                       |
|   *        *                       |
|    \      /                        |
|     \    /                         |
|      *--*                          |
|                                    |
+------------------------------------+