Pennard Castle is a ruined castle, near the modern village of Pennard on the Gower Peninsula. The castle was built in the early 12th century as a timber ringwork following the Norman invasion of Wales. The walls were rebuilt in stone by the Braose family at the turn of the 13th and 14th centuries, including a stone gatehouse. Soon afterwards, however, encroaching sand dunes caused the site to be abandoned and it fell into ruin. Restoration work was carried out during the course of the 20th century.
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.