A general view taken on March 27, 2016 shows the theatre in the ancient Syrian city of Palmyra, after government troops recaptured the UNESCO world heritage site from Islamic State (IS) group jihadists on March 27, 2016. 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)