Saya mau tau Crypt dari Katedral Santiago de Compostela. Jelaskan dalam bahasa melayu

The crypt, below the main altar, shows the substructure of the 9th-century church. This was the final destination of the pilgrims. The crypt houses the relics of Saint James and two of his disciples : Saint Theodorus and Saint Athanasius. The silver reliquary (by José Losada, 1886) was put in the crypt at the end of the 19th century, after authentication of the relics by Pope Leo XIII in 1884.

Throughout the course of time, the burial place of the saint had been almost forgotten. Because of regular Dutch and English incursions, the relics had been transferred in 1589 from their place under the main altar to a safer place. They were rediscovered in January 1879.