Sergio Piccolo, acting charge d'affaires of Delegation of the EU to Ghana, signs the condolence book in honor of late former United Nations (UN) Secretary-General Kofi Annan at the Accra International Conference Center (AICC) in Accra, captial of Ghana, on Aug. 22, 2018. People from all walks of life have been trooping here to sign the condolence book opened here on Wednesday in honor of the former head of the global body. Annan died on Aug. 18 in Switzerland, at the age of 80. (Xinhua/Francis Kokoroko)