The Zavala Monastery is a Serbian Orthodox monastery located in the village of Zavala on the southwestern edge of Popovo Polje, in Ravno. The monastery is dedicated to the Presentation of Mary. The northern wall of the monastery's church is situated within a cave. This monastery is also known as a place where Basil of Ostrog entered into monasticism.
Along with Žitomislić and Tvrdoš, Zavala is one of the most important monasteries in East Herzegovina. The first written record of the monastery dates back to sixteenth century. During the Second World War, the monastery suffered major damage, and in the Bosnian War it was further damaged and abandoned.
After the war the monastery was restored, and together with Zavala village with its old architecture and stone masonry, and Vjetrenica cave constitute cultural-historic, architectural and natural assemble, protected by KONS as an important national monument of Bosnia and Herzegovina. Because of its importance as national heritage, as well as tourist and ambiental attraction, site is also placed on the UNESCO Tentative list for inscription into UNESCO World Heritage Site list.
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.