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;
N. | p442m2461429 |
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Titolo | 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; |
Copyright | plainpicture/Design Pics/Dave Fleetham |
Tipo di licenza | Rights Simplified (RS) |
Informazioni sulla liberatoria |
Liberatoria per il modello: No Liberatoria per la proprietà: No |
Dimensione max |
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