Gorsedd Circle The Gorsedd Cir cle is a stone circle in Fishguard, Wa les. T he Gorsedd Stone s are a Welsh tradition of modern stone circles constructed for the National Eisteddfod of Wales. These stone circles can be found at several locations, including Ab erdare Park and A nglesey. They are typically 20 meters wide and have 12 stones on the circumference with a level stone in the circle. A further stone is usually set back from the circumference, the central stone is called the Logan Stone. Coordinates 51.996431,-4.975040 Stone Circle Gorsedd Circle is a typical stone circle but has 13 stones on the circumference with one inset. It was erected in 1936 and has the names of the parishes inscribed on each stone. Ceremony During the opening ceremony, the Archdruid stands on the Logan Stone facing the Stone of the Covenant. Two stones mark the entrance and are called the Portal Stones. These mar k the midsummer and midwinter sunrises. Gorsedd Circle (no edit) Archeology77 ©
Amphitheatre Pompeii The Amphitheatre of Pompeii is the oldest surviving Roman amphitheatre. It is situated in the ancient Roman city of Pompeii and was buried by the eruption of Vesuvius in 79 ad. It is located to the east of the city and the edge of the eruption. It measures 135m long and 104m wide, the arena's pit is measured at 6m below ground level and was built in 70 bc. Coordinates 40.751827,14.494962 Measurements 135m x 104m (341ft x 443ft) 76.2m x 38.1m ( 250ft x 125ft) Angled at 60° towards northwest Area π×341×443= 474578 π×250×125= 98175 474578× 98175= 46591695150 46591695150÷223= 208931368 π×341×450= 482077 482077× 98175= 47327909475 47327909475÷223= 212232777 Roman Units The Roman cubit (cubitum) was 1½ Roman feet (17.48 inches) Five Roman feet made the pace (passus), 1.48 metres (58.23 inches). If considering a standardised unit, the Roman foot was probably used here, making the above whole units in 5's as if a passus. If applying again, the amph