Pentre Ifan – Pembrokeshire, Wales
Neolithic burial chamber, estimated date 3,500 BC – or 5,500 years old…
Wales
Wales – Elan Valley
The Elan Valley in mid Wales is the main water source for Birmingham, England. There are some 3 reservoirs along the valley and the structures were competed in 1906. Water takes about a day and half to reach Birmingham – some 75 miles away – and gravity does all the work, no pumping required. Apart …