A voter casts his vote at a polling station during the country's presidential election in Algiers, Algeria on Dec. 12, 2019. Polling centers were opened on Thursday in Algeria's presidential election. A total of five candidates are running for the presidency for a five-year term. If none of the candidates obtains the absolute majority of the votes in this round, a second round will be held after the announcement of the final results of the first round. (Xinhua)