Hillsboro Inlet Light, Hillsboro Beach, Florida. The light marks the northern limit of the Florida Reef, an underwater coral formation on the lower east coast of the state. Year first lit March 1907

Tourlitis Lighthouse, Andros Island, Greece. Greek islands 1887. Active;(62 ft); two white lights flashes every 15 sec. stone tower perched on an isolated rock stairs cut into the rock lead down to a crude landing site Ándros Chóra is a frequent stop for cruise ships,Located on a rock in the harbor of Ándros Chóra. Accessible only by boat.

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