According to the texts, Jesus and his disciples came to the site in this garden "beyond the Kidron (cedron) brook", and Jesus prayed alone. Judas (Judah) knew this hiding place from previous times, and gave its position to the Romans. Jesus was apprehended at night (as per John), and led to a Jail within the city.
In the ceiling are 12 capes, each dedicated to one of the nations that contributed to its construction. Their seals are located on the corners of the capes.