Dreyfus Tower
The Dreyfus tower is on a rock on the coast of Kourou in French Guiana befindlicher radio tower .
The tower, named after Alfred Dreyfus , the most famous resident of the penal colony in French Guiana , opened in 1856 and was mainly used for agricultural purposes .
With a view of the sea, it served as an optical telegraph for communication with the Îles du Salut . The other buildings at that time were destroyed during the construction of the Hotel Les Roches Resort .
Coordinates: 5 ° 9 ′ 35 ″ N , 52 ° 39 ′ 1 ″ W.