Serigne El hadj Mouhammadou Lamine Bara Mbacké, the Caliph of Murridiya, gave directives to all the murid followers for the organization of days of cleaning at a large scale for the Holy City of TOUBA. This recommendation was transmitted to the murids disciples by Serigne Mountakha Bassirou MBACKE on the instruction of Serigne Sheik Maty Leye. It was on Tuesday January 29, 2008 at the Residence TOUBA opposite the Great Mosque.