| Previous |
| Previous |
| This tiny hole provides a ground-level view of a flower bed. Water that leaks into the tunnels from here is collected in a trough that runs along the side of the tunnel. |
| Previous |
| Previous |
| This tiny hole provides a ground-level view of a flower bed. Water that leaks into the tunnels from here is collected in a trough that runs along the side of the tunnel. |