His Highness the Deputy Amir and Crown Prince Sheikh Mishal Al-Ahmad Al-Jaber Al-Sabah receives Chairman of Board of Directors of Kuwait Al-Sadu Society, Sheikha Bibi Duaij Jaber Al-Ali Al-Sabah, where she presented His Highness a certificate from UNESCO on the file "Best Safeguarding Practices", the first Arab file for the best practice of preserving heritage