Supporters of Senegal's former president Abdoulaye Wade take part in a demonstration at the city center of Dakar, Senegal, Nov. 21, 2014. Led by Senegalais Democratic Party (PDS), Senegal's opposition parties held a large-scale demonstration against the incumbent president Macky Sall and his government here on Friday, eight days before the 15th Sommet of the International Orgnisations of La Francophonie which will be held in Dakar on Nov. 29 and 30. (Xinhua/Li Jing)