Located in the tropical and southern most part of China, the Hainan province boasts the fifth tallest lighthouse in the world and the tallest in the country in the Mulantou Lighthouse. Built in 1995 during the boom of the Chinese economy, the Mulantou is known for its distinctive white flashes every fifteen seconds and stands at 88 metres. With its trademark white concrete coupled with red paint, the Mulantou features one of the largest observation levels of any lighthouse in the world.