What are key features of Robben Island?

Robben Island, located off the coast of Cape Town, South Africa, is best known for its historical significance as a prison where Nelson Mandela was held for 18 years. The island features a stark landscape with a notable limestone quarry, which prisoners were forced to work in, and has become a symbol of resilience against apartheid. Today, it is a UNESCO World Heritage Site, attracting visitors who come to learn about its history and the struggle for freedom in South Africa. The island also hosts a variety of wildlife, including seals and bird species, adding to its ecological importance.