Irene Rizzi blows a kiss after descending from the bell tower into St. Mark's Square, in Venice, Sunday, Jan. 31, 2016. Carnival-goers in Venice are being asked by police to momentarily lift their masks as part of new anti-terrorism measures for the annual festivities. Sundays main crowd-pleaser known as the Flight of the Angel went off without a hitch. In that event, a costumed young woman, attached by wires, " flies " over the crowd, starting from St. Marks bell tower and gradually descending to the square. (AP Photo/Luigi Costantini)