The Gallerus Observatory, built in 700 CE. No mortar was used to hold the stones together and the structure is still watertight
Giant's Causeway
A National Park on the Kerry Peninsula
Dingle Peninsula
The Gallerus Observatory, built in 700 CE. No mortar was used to hold the stones together and the structure is still watertight |
Giant's Causeway |
A National Park on the Kerry Peninsula |
Dingle Peninsula |
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