The Seville Shipyard (Atarazanas) is a medieval shipyard. It was operative between the 13th and 15th centuries, and are built in Gothic style.
They were specialized in the construction of galleys, which played an important role in the struggles for the control of the Strait of Gibraltar, as well as in the Castilian participation in the Hundred Years' War. The complex consisted of a building with seventeen naves next to a large sandy area that reached to the edge of the Guadalquivir River.
Throughout its history, the building of the Royal Shipyard has undergone important transformations. At present, only seven of the seventeen original naves remain standing.
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.