Geography of Dorset is the Blackmore Vale, a relatively low-lying area of clays and limestones of Jurassic age. The south-east of the county forms part of the Hampshire Basin, an asymmetric syncline covered in sands and gravels of Paleogene age. The main rivers in the county are the Stour, Frome and Piddle. The Stour is the county's largest river, although its source is in the neighbouring county of Wiltshire. The Frome and Piddle both lie wholly within the county. The whole of Dorset's coastline is designated part of the Jurassic Coast World Heritage Site, and contains examples of many different coastal landforms, reflecting
Church of the Intercession on the Nerl demolished. The walls are still covered with 12th-century stonecarvings. In 1992, the church was added to the UNESCO World Heritage List as part of the site White Monuments of Vladimir and Suzdal. Church of the Intercession on the Nerl The Church of the Intercession of the Holy Virgin on the Nerl River (, "Tserkov Pokrova na Nerli") is an Orthodox church and a symbol of medieval Russia. The church is situated at the confluence of Nerl and Klyazma Rivers in Bogolyubovo, Suzdalsky District, Vladimir Oblast, 13 km north-east of the ancient capital of Vladimir. The church was commissioned by Andrei