The centre is part of the Wanteraktioun programme run by Caritas during colder weather months.

The royal couple visited the shelter during breakfast time, meeting clients who had spent the night, according to a palace statement. (Low temperature mark on Saturday morning: -4.)

Also pictured, standing, to the left of the grand duke, is Corinne Cahen, the DP family minister, and to the right of the grand duchess, is Charel Schmit, board chair of Caritas Accueil et Solidarité.