Rona, a remote Scottish island, is said to have been the residence of Saint Ronan, Abbot of Kingarth in Bute (died 737). A tiny early Christian oratory which may be as early as this date, built of unmortared stone, survives virtually complete on the island. The site of one of the most complete Early Celtic religious complexes in Scotland. North Rona was abandoned after the Viking raids, but resettled by a secular community in the 12th or 13th century. Disasters, such as the drowning of the island's entire male population, and starvation brought about by a plague of rats, resulted in only intermittent occupation during subsequent centuries; the last resident, Donald Macleod, left in 1844 . North Rona is now a National Nature Reserve with Sula Sgeir.
Sited on a terrace within a thick-walled, oval burial enclosure, Teampall Rònain was probably a hermitage offshoot from the church at Europie in Lewis. It is two-chambered, the almost subterranean corbelled eastern cell being the late 7th/early 8th century `oratory' of St. Ronan, beautifully constructed with inward-leaning walls bridged over with stone slabs, traces of lime mortar still clinging to the sides. On the west wall, a door with slit window above leads into the 12 th-century chapel, its west gable still standing to six or seven ft. A stone-paved doorway was uncovered by Dr. Frank Fraser Darling on the south wall during his repair works here in 1938. He also excavated the east end of the earlier structure, unearthing the base of a stone altar and wall niche. Numerous Early Christian and medieval incised cross slabs lie on the site.References:
The Odeon of Herodes Atticus is a stone theatre structure located on the southwest slope of the Acropolis of Athens. It was built in 161 AD by the Athenian magnate Herodes Atticus in memory of his wife, Aspasia Annia Regilla. It was originally a steep-sloped theater with a three-story stone front wall and a wooden roof made of expensive cedar of Lebanon timber. It was used as a venue for music concerts with a capacity of 5,000. It lasted intact until it was destroyed and left in ruins by the Heruli in 267 AD.
The audience stands and the orchestra (stage) were restored using Pentelic marble in the 1950s. Since then it has been the main venue of the Athens Festival, which runs from May through October each year, featuring a variety of acclaimed Greek as well as International performances.