Participants start the annual Santa Speedo Run through the streets of the Back Bay neighbourhood of Boston, Massachusetts. REUTERS/Brian Snyder
US first lady Michelle Obama reads a Christmas story to children with the help of Kermit the Frog during the National Christmas Tree lighting ceremony in Washington. REUTERS/Molly Riley
A girl poses for photographs in front of a Christmas tree decorated with Teddy bears at Grand Intercontinental Seoul Parnas Hotel in Seoul, South Korea. REUTERS/Jo Yong-Hak
Birds take to the air as a helicopter flies over the Swiss Parliament building transporting the annual Christmas tree for the Federal square in Bern. REUTERS/Pascal Lauener
Divers decorate a Christmas tree inside a huge aquarium as part of celebrations for Christmas at the Manila Ocean Park, Philippines. REUTERS/Romeo Ranoco
Ball ornaments on the Vatican Christmas tree frame Pope Benedict XVI as he leads his Angelus prayer from the window of his private apartments in Saint Peter's Square at the Vatican. REUTERS/Max Rossi
People take part in a half-naked Santa run in Budapest, Hungary. REUTERS/Laszlo Balogh
Two men dressed as Santa use a toilet in Citta' Sant'Angelo near Pescara, Italy. REUTERS/Alessandro Bianchi
Crowds fill Oxford Street as the famous shopping road is closed to traffic for Christmas shopping in central London. REUTERS/Luke MacGregor
Dylan, a Newfoundland dog, pulls Christmas trees from the forest to a customer's car at Dalby, near Pickering, northern England. REUTERS/Nigel Roddis
A Christmas tree is seen at the main square in Ljubljana's old city in Slovenia. REUTERS/Srdjan Zivulovic
Schoolchildren dressed as Santa Claus form the shape of a star at a school in the southern Indian city of Chennai. REUTERS/Babu
The logo of the Rio 2016 Paralympic Games is seen in front of a fireworks display around a Christmas tree during its launch ceremony at Rodrigo de Freitas Lake in Rio de Janeiro, Brazil. REUTERS/Andre Durao
A man dressed in a bear costume takes part in a traditional fair for Christmas and New Year celebrations at the Village Museum in Bucharest, Romania. REUTERS/Bogdan Cristel
