The country, which gained independence from the United Kingdom in April 1961, remains one of the least developed in the worldIt has eight surgical operation rooms and 300 patient bedsyb体育官方手机版The 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 ship Peace Ark is providing humanitarian medical services to tyb体育官方手机版he 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