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
Xochicalco Xochicalco is a pre-Columbian archaeological site in Miacatlán Municipality in the Mexican state of Morelos. The site was first occupied by 200 bc but did not develop into an urban centre until the Epiclassic period 700-900 ad. Nearly all the standing architecture at the site was built at this time. At it's peak the city may have had a population of up to 20000 people. The site was said to be destroyed around 900 ad and later colonised with Nahuatl-speaking Tlahuica people. Teotihuacan and Maya art are abundant and may have been included from 1200 ad onwards. Coordinates 18.803524,-99.297428 Description The northern buildings are at 15°, the western buildings at 12° with the southern buildings at 0°. At least two ball courts exists, one aligned at 12° and one at 0°, the largest building is the Pyramid of the Stele and Chamber of the Scarifice which is on a six layer platform and has seven layers. In front of the Pyramid of the Stele at an altitude of 1340m is the