Complex sentence: In support of the album, Belhsen embarked on his Dayman Promotion Tour beginning in summer 2011 in Ksar el Kebir, and he wrapped it up at the end of 2012.
Split into simpler sentences: In support of the album, Belhsen embarked on his Dayman Promotion Tour. It began in summer 2011 in Ksar el Kebir, and wrapped up at the end of 2012.