A member of the Spanish Armed Forces gets caught in a flag during a ceremony to mark the 37th anniversary of the Spanish constitution in Madrid, Spain. | (REUTERS/Susana Vera)

A flock of sheep and goats stick together on a meadow in Weng, Germany. | (ARMIN WEIGEL/AFP?Getty Images)

Two sisters from Syria play on a beach near the town of Mytilene after crossing the Aegean Sea from Turkey to the Greek island of Lesbos. | (AP Photo/Santi Palacios)

Pope Francis opens the Holy Door to mark the opening of the Catholic Holy Year in St. Peter's Basilica at the Vatican. | (REUTERS/Max Rossi)

A Russian police officer gifts a puppy to French police in Moscow, Russia. The puppy will replace a French service dog that died during the hunt for the suspected Paris attackers. (AP Photo/Pavel Golovkin)

Cuban security personnel detain a member of the Ladies in White dissident group during a protest on International Human Rights Day in Havana, Cuba. | (REUTERS/Alexandre Meneghini)

A cultural dance group waits to perform at Gambela stadium during Ethiopia's Nations and Nationalities Festival in Gambela town, Ethiopia. | (REUTERS/Tiksa Negeri)

Ducks walk past runners clad in Santa suits taking part in a charity event in London, England, on December 6, 2015. | (REUTERS/Dylan Martinez)

Michael Read, director of flight operations of Martin Aircraft Company, flies a jetpack during a demonstration in Shenzhen, China. | (REUTERS/Bobby Yip)

Spartak Moscow fans light flares during the Russian Premier League soccer match between FC Spartak Moscow and FC Krylia Sovetov Samara at Russia's Arena Otkritie Stadium. | (Epsilon/Getty Images)

St Paul's Choristers sing during a rehearsal at St Paul's Cathedral in London, England. | (Carl Court/Getty Images)

An Indian Sikh devotee takes a dip in the holy sarover (water tank) during dense fog at the Golden Temple in Amritsar, India. | (NARINDER NANU/AFP/Getty Images)

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