The country, which gained independence from the United Kingdom in April 1961, remains one of the least developed in the worldIt has eight su优博国际彩票rgical operation rooms and 300 patient bedsThe Chinese Navy's hospital ship Peace Ark arrives on Tuesday in Freetown, Sierra Leone, on an eight-day mission to deliver free medical services to 2,000 people in the West African nationThe visit marks the first time the ship has visited West Africa, Xinhua said[Photo/Xinhua]The Chinese Navy's hospital 优博国际彩票ship Peace Ark is providing humanitarian medical services to the people of Sierra Leone during an ongoing port call in the West African nation, Chinese media reportedThe vessel arrived on Tuesday in Freetown, Sierra Leone's capital and largest city, which is a major port on the Atlantic Ocean