"Au fond du temple saint" ("At the back of the holy temple") is a duet from Georges Bizet's 1863 opera Les pêcheurs de perles. The libretto was written by Eugène Cormon and Michel Carré. Generally known as "The Pearl Fishers' Duet", it is one of the most popular numbers in Western opera – it appeared on seven of the Classic 100 Countdowns conducted by ABC Classic FM. It is sung by Nadir (tenor) and Zurga (baritone) in act 1.