 |
| The Caves of Drach (Dragon) are huge caverns stretching over 1.5 km on the island of Mallorca. The world's largest underground lake is the setting for a memorable sound and light show. |
|
| The Caves of Drach (Dragon) are huge caverns stretching over 1.5 km on the island of Mallorca. The world's largest underground lake is the setting for a memorable sound and light show. |
