This peculiar shaped building resembling a spaceship on its launch pad is located at the end of the promenade in the Maritime Quarter of Swansea, on the coast of southern Wales. This building was once an observatory called the Marina Towers Observatory, also known as the Swansea Observatory and Tower of the Ecliptic, of the Swansea Astronomical Society, but is now abandoned. The sea-facing white tower with a domed roof contained the actual observatory, and once housed the largest optical astronomical telescope in Wales. The cylindrical orange tower on the north is the access tower and contains a spiral staircase with open walkways linking the structures at each upper level.

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