p442m2461429 - RS - One of the three massive walls constructed of huge volcanic basalt columns. Nan Madol is the only extant ancient city built on top of a coral reef. In 1985, the ruins were declared a historical landmark and a greater effort is being made to preserve them;
| Koodi | p442m2461429 |
|---|---|
| Selite | One of the three massive walls constructed of huge volcanic basalt columns. Nan Madol is the only extant ancient city built on top of a coral reef. In 1985, the ruins were declared a historical landmark and a greater effort is being made to preserve them; |
| Kuvalähde | plainpicture/Design Pics/Dave Fleetham |
| Lisenssi | Rights Simplified (RS) |
| Käyttöluvat |
Model Release: Ei Property Release: Ei |
| Alkuperäinen koko |
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