The two lighthouses of Cape Arkona on the island of Rügen, Germany.
The taller lighthouse is the operational, called Isle of Rügen Light.
It started operation on 1 April 1905.
It is 35 metres high, with a focal height of 75 m above NN.
It emits three white flashes every 17 seconds.
The shorter one is 19.3 metres high, with a focal height of 60 m above sea level.
It was built in 1828 and is no longer operational.
The Klaipėda Light, guiding ships in the southern coast of Lithuania.
The present tower was built in 1950
The lighthouse has an active focal plane of 44 metres.
It emits three white flashes every 6 seconds.
Its light is visible for 18 nautical miles.
The Fukwei Chiao or Cape Fukwei lighthouse located in
Taiwan's northernmost point, the New Taipei City, Taiwan, R.O.C.
The present tower was built in the late 1940s.
It has a focal plane height of 31.3 metres.
It emits two white flashes every 15 seconds.
Its light has a range of 27 nautical miles.
Sharing this with Viridian's Sunday Stamps.
Thank you wikipedia.net and the Lighthouse Digest for the information.