Lao tieshan beacon

Lao tieshan lighthouse is located in the southernmost in dalian, on three sides. The lighthouse at the forefront of the north and south direction of sea surface is the boundary between the yellow sea and bohai sea. The lighthouse was built in 1893, equipped with large optical lens, the light range up to 48 km; Add the global satellite precise positioning system in 1977 http://500px.com/photo/118653001