Hoa Lu was the capital city of Vietnam under the Dinh Dynasty between 968 and 1009. Some of the sanctuaries and tombs have survived the years and can still be seen today. Apart from the historical interest, the river boat trip in Tam Coc is wonderful for photo hunters, especially when local people come to harvest the water rice planted along the river, or when they transplant some seedling for the next crops. Tam Coc sight is also known as...