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„The Guardian“

from the gallery of jason green
Description:

Before the development of clearly defined ports mariners were guided by fires built on hilltops. Since raising the fire would improve the visibility, placing the fire on a platform became a practice that led to the development of the lighthouse. In antiquity, the lighthouse functioned more as an entrance marker to ports than as a warning signal for reefs and promontories.

Picture ID: 26102e1

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