The article says the preserved stones date to the Apostolic Age, a claim it gives without a source. It also notes that scholars dispute the link to Mary, which arose only in the 12th century. The chapel stands on Mount Koressos, about 4 miles (7 km) from Selçuk. Abbé Julien Gouyet found a four-walled, roofless ruin on October 18, 1881, and Fathers Poulin and Jung rediscovered it on July 29, 1891.
Sister Marie de Mandat-Grancey restored it from 1891 to 1915, and a red painted line marks the restored portion. The main room has an altar and a statue of Mary, and a smaller room is traditionally her sleeping room.
Leo XIII blessed the first pilgrimage in 1896, and Pius XII made it a Holy Place in 1951. Paul VI, John Paul II and Benedict XVI visited in 1967, 1979 and 2006. Christians and Muslims both visit, and the annual liturgy is held on August 15.

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