Take a day tour from Hanoi to Ninh Binh and discover some of its best sites,Visit Hoa Lu, the ancient capital of Vietnam during the 10th and 11th centuries,Discover the natural beauty of Tam Coc, a network of caves that is recognized as a UNESCO World Heritage site,Head to the bell-shaped Mua Cave and find the breathtaking view of Hang Mua valley,Indulge in a set menu of Vietnamese cuisine for lunch at local restaurant