Visitors walk inside a huge, ball-shaped illuminated Christmas decoration set up at Dobo square in Eger, 127 kms northeast of Budapest, Hungary, Sunday, Dec.2, 2018. The Christmas tree and decorations are a major attraction on the first Sunday of Advent. [Photo: AP]"

The National Christmas tree is lit during the lighting ceremony at Cathedral square in Vilnius, Lithuania, Saturday, Dec. 1, 2018. [Photo: AP]"

Palestinian Christians celebrate the lighting of a Christmas tree in Manger Square, outside the Church of the Nativity in the West Bank town of Bethlehem,, Saturday, Dec. 1, 2018. [Photo: AP]"