A general view taken on March 27, 2016 shows part of the remains of Arch of Triumph, also called the Monumental Arch of Palmyra, that was destroyed by Islamic State (IS) group jihadists in October 2015 in the ancient Syrian city of Palmyra, after government troops recaptured the UNESCO world heritage site from the Islamic State (IS) group.                  
President Bashar al-Assad hailed the victory as an 'important achievement' as his Russian counterpart and key backer Vladimir Putin congratulated Damascus for retaking the UNESCO world heritage site. / AFP / Maher AL MOUNES        (Photo credit should read MAHER AL MOUNES/AFP/Getty Images)