Kyiv-Pechersk Lavra is a historic Eastern Orthodox Christian monastery which gave its name to one of the city districts where it is located in Kyiv.
Since its foundation as the cave monastery in 1051, the Lavra has been a preeminent center of Eastern Orthodox Christianity in Eastern Europe. Together with the Saint Sophia Cathedral, it is inscribed as a UNESCO World Heritage Site. The Lavra is not only located in another part of the city, but is part of a different national sanctuary than Saint Sophia Cathedral.
The Kyiv Pechersk Lavra contains numerous architectural monuments, ranging from bell towers to cathedrals to cave systems and to strong stone fortification walls. The main attractions of the Lavra include the Great Lavra Belltower, and the Dormition Cathedral, destroyed in World War II, and fully reconstructed in recent years.
Other churches and cathedrals of the Lavra include: the Refectory Church, the Church of All Saints, the Church of the Saviour at Berestove, the Church of the Exaltation of Cross, the Church of the Trinity, the Church of the Nativity of the Virgin, the Church of the Conception of St. Anne, and the Church of the Life-Giving Spring. The Lavra also contains many other constructions, including the St. Nicholas Monastery, the Kyiv Theological Academy and Seminary, and the Debosquette Wall.
The Kyiv Pechersk Lavra caverns are a system of narrow underground corridors (about 1-1½ metres wide and 2-2½ metres high), along with numerous living quarters and underground chapels. In 1051, the monk Anthony settled in an old cave in a hill near the Kyiv Pechersk Lavra. This cave received additions including corridors and a church, and is now the Far Caves. In 1057, Anthony moved to a cave near the Upper Lavra, now called the Near Caves.
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.