Archaeologists have discovered large prehistoric trackways crossing bogs in Ireland and Germany. Scattered along the now dried lakebed are trackways of ancient camels and Columbian mammoths. As a result, the fossilized trackways of titanosaurians are distinctly broader than other sauropods. Such timber trackways have existed since at least Neolithic times. Many monuments, barrows and trackways exist. There have been trackways from the Lowlands to the Highlands since prehistoric times. Paved trackways were also later built in Roman Egypt. The largest number of preserved stone trackways, over 150, are found on Malta. Occasionally, only trackways from the forefeet are found. Radlett is situated on the ancient Watling Street, one of the oldest trackways in Britain. Other bog trackways or "toghers" have also been discovered dating to around 4000 BC. Several ancient trackways lead to and from the village. Lark Quarry Dinosaur Trackways (exhibit). Their conclusions were based on numerous trackways (esp. In 2014 researchers published information about the discovery of a new area containing 90 trackways.