The origins of the Alfter palace go back to the 12th century. After it was destroyed many times and each time rebuilt provisionally, in 1721 the castle site was converted into a Baroque palace. The two-floor manor flanked by towers was largely based on the style of the previous buildings, but a lower castle with wings was added. The office of the Elector of Cologne's hereditary Marshall has been associated with Schloss Alfter since 1188. In 1445 the site came under the ownership of the Count and later Elector zu Salm-Reifferscheidt-Dyck.
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.