Travel anywhere on Anglesey and you’ll see mystical megaliths and ancient monuments dotted all over the countryside. Surprisingly for such a small island, there are more than 120 such sites scattered around the fields and headlands, many of them dating back thousands of years. Take Lligwy burial chamber, near Moelfre, for example, which is around 5,000 years old, placing it as far back as the 3rd millennium BC. When excavations were conducted in 1908, the bones of some 1