During the Holy Triduum, the night office of matins and the morning office of lauds have a special liturgy, called Tenebrae. Here, in LivornoThe Office of Tenebrae takes place on the mornings of Holy Thursday, Good Friday, and Holy Saturday, or they are anticipated and take place in the evening of Spy Wednesday, Holy Thursday, and Good Friday. The Office is made up of psalms, lessons and readings, and sung responses. Here, in PrestonIn SwitzerlandA triangular structure, called a hearse, has fifteen candles. One candle is extinguished at the end of each psalm. Here, in WausauHere in Wausau, at the office of Tenebrae on the evening of Holy Thursday, one can see the altar of repose with candles on the rightA canon sings one of the lessons in LivornoIn Ardee, IrelandAt Maria Engelport, GermanyIn Preston, the sisters sing one of the responsesIn ArdeeThe sisters sing one of the responses in Wausau. We see in the photo the side altar installed as the altar of repose on Holy ThursdayThe candles are progressively extinguished until, at end of the fourteenth psalm, there is only one lit candle remaining, as well as the six altar candles.The altar candles are then extinguished one by one during the chant of the Benedictus at the end of lauds.The last remaining candle is carried behind the altar and there is a time of silence.When the servant brings forward the remaining candle from behind the altar, there is a great noise produced in the sanctuary, representing the chaos in nature after Our Lord's death. The candle is then extinguished, leaving all in darkness and silence.