The Church of the Santissima Annunziata dei Catalani is an example of Norman architecture on Sicily. It dates from the 12th century, when Sicily was under Norman rule. Built on top of the ruins of an older temple dedicated to Neptune, the church is an example of Sicilian Norman architecture with its mix of different cultural elements.
The church displays influences from Arab and Byzantine architecture and also contains Roman elements. Particularly the apse is unusually well-preserved. The name of the church derives from merchants from Catalonia who established a presence in Messina in the 16th 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.