Commemoration Day is symbol of honourable heroism of nation's martyrs: Tahnoun bin Zayed

H.H. Sheikh Tahnoun bin Zayed Al Nahyan, Deputy Ruler of Abu Dhabi and National Security Adviser, has praised the immense sacrifices made by the UAE's righteous martyrs, affirming that nations are built on the sacrifices of their sons and that Commemoration Day is a symbol of the honourable heroism