Permanent Delegation of the Republic of Serbia to UNESCO took part in this year's celebration of the International Mother Language Day (21st February) in UNESCO. The participation was realized through presentation of publications in Serbian language about the world heritage of Serbia (elements that were inscribed to the UNESCO World Heritage List based on the proposals of the Republic of Serbia) and Isidora Sekulić's work, as well as through the participation in the festival of the national food prepared by the members of the Permanent Delegation. Also, representatives of the Permanent Delegation of the Republic of Serbia participated in the presentation of the national culture by reciting the poetry of Jovan Ducic in Serbian and French.