The Abbey of St. Bertin was a Benedictine abbey, but today in ruins (the town's town-hall was built with stone from the abbey in 1834) and open to the public. It was dedicated to its second abbot, Saint Bertin.
The monastery was founded on the banks of the Aa in the 7th century by the bishop of Thérouanne, who sent the monks Bertin, Momelin and Ebertram from Omer to proselytize among the pagans in the region. The Abbey of St. Bertin soon became one of the most influential monasteries in northern Europe and ranked in importance with Elnon Abbey and the Abbey of St. Vaast. Its library included the codex of Aratea of Leyde, from which two copies were made. The Annals of St Bertin are an important source of the 9th-century history of Francia.
Already in the 9th century the abbey had a priory in Poperinge. A Romanesque church was constructed in the mid-11th century. It was 25m high, with a 48m high tower, and included a large 14th century semi-circular sanctuary with five side-chapels. It served as a model for the church, whose construction was not completed until the beginning of the 16th century.
From the 12th century the abbey had the right of appointing the priest at Lissewege and Ruiselede (1106). William Clito was buried here in 1128. The abbey had a 'refuge-house' in the now-demolished Sint-Lodewijkscollege in Bruges. The abbey had its greatest flourishing from its inception until the 13th century, though it survived until it was shut down at the French Revolution.
In 1830 the commune demanded the demolition of the church, though they spared the tower, which they strengthened with a buttress in the nave (still visible). However, the tower was weakened by bombardment of the town centre in World War II and collapsed in 1947, leading to the abandonment of the site.
The abbey is known for its Latin-written cartulary (Chartularium Sithiense) whose first part is attributed to Folquin (died in 855 in Esquelbeques).
References:The ancient Argos Theater was built in 320 BC. and is located in Argos, Greece against Larissa Hill. Nearby from this site is Agora, Roman Odeon, and the Baths of Argos. The theater is one of the largest architectural developments in Greece and was renovated in ca 120 AD.
The Hellenistic theater at Argos is cut into the hillside of the Larisa, with 90 steps up a steep incline, forming a narrow rectilinear cavea. Among the largest theaters in Greece, it held about 20,000 spectators and is divided by two landings into three horizontal sections. Staircases further divide the cavea into four cunei, corresponding to the tribes of Argos A high wall was erected to prevent unauthorized access into the theatron and may have helped the acoustics, but it is said the sound quality is still very good today.
Around 120 CE, both theaters were renovated in the Roman style.