We commemorate the institution of the Eucharist and the Priesthood. At the altar of repose:

The celebration of the Triduum began with the office of Tenebrae. Unfortunately, as you can see, the sanctuary is still covered by the scaffolding. It did mean, however, that the statues of the reredos were fully veiled for Passiontide!There are fourteen psalms at Tenebrae. After each psalm one of the candles is extinguished: