The chasm of the ancient barathron before it was filled up: here it is crowned by the vaulted rooftop of the Observatory; to the left, the neighbourhood of Petralona (Nicholson Museum, Professor W.J. Woodhouse Collection).

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November 2, 2018
The interior of an underground pear-shaped cistern; not visible today (Nicholson Museum, Professor W.J. Woodhouse Collection).

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November 2, 2018