What structure on the South African coast has a range of 63 km and releases flashes every 30 seconds answers?

The structure you’re referring to is likely the Cape Agulhas Lighthouse, located at the southern tip of South Africa. It has a range of 63 kilometers and emits flashes every 30 seconds, serving as a critical navigational aid for ships navigating the treacherous waters off the coast. The lighthouse is notable for being the official dividing point between the Atlantic and Indian Oceans.