[Tunis Afrique Presse] Tunis/Tunisia -- Tunisian Olympic 400m freestyle champion Ayoub Hafnaoui offers the swimming suit, with which he won the final, to the Olympic Museum, during a ceremony organised Thursday in Tokyo in the presence of International Swimming Federation (FINA) President Kuwaiti Houssain Al Musalam, the Director of the International Olympic Committee's Olympic Art, Culture and Heritage Foundation, Tunisian Ambassador to Tokyo Mohamed Elloumi and Tunisian National Olympic Committee President Mehrez Boussayane.