Editor's Choice - Pictures of the Day - November 22, 2011

Above, a protester, his face sprayed with protective medical cream, covers his nose and mouth with a chequered keffiyeh to avoid teargas inhalation during a demonstration. Below, thousands of Egyptian protesters gather in Cairo's landmark Tahrir Square on the fourth day of clashes with security forces on November 22, 2011, to demand an end to military rule, heightening tension after days of deadly clashes that threaten to derail next week's legislative polls. (Both images: AFP/Getty Images/Khaled Desouki)