En imágenes: los mejores momentos de la semana

Central American migrants travelling to the United States, play football at El Barretal temporary shelter in Tijuana, Baja California state, Mexico on December 23, 2018. – The partial US government shutdown is set to stretch on through Christmas as the Senate adjourns with no deal in sight to end the impasse over funding for Donald Trump's wall on the US-Mexico border. (Photo by Guillermo Arias / AFP)

Pope Francis kneels down to pray as he celebrates mass on Christmas eve marking the birth of Jesus Christ on December 24, 2018 at St Peter's basilica in Vatican. (Photo by Tiziana FABI / AFP)

Indian Hindu sadhus (holy men) from the Juna Akhara take part in a religious procession towards Sangam area, during the first 'royal entry' for the Kumbh Mela in Allahabad on December 25, 2018. (Photo by SANJAY KANOJIA / AFP)

A woman walks her dog on December 26, 2018 in the Czech capital, Prague. (Photo by Michal CIZEK / AFP)

Smoke rises from Mount Etna as seen at sunset from the city of Giarre, Catania, on December 26, 2018. – A 4.8-magnitude earthquake struck on December 26 in the area near Europe's most active volcano Mount Etna, injuring several people, damaging buildings and forcing the partial closure of a highway, Italian civil protection authorities said. (Photo by GIOVANNI ISOLINO / AFP)

Kashmiri fishermen paddle boats on Dal lake during dense fog in Srinagar on December 27, 2018. – Sub-zero temperatures prevailed in Jammu and Kashmir as a cold front settled over the northern Indian state. (Photo by TAUSEEF MUSTAFA / AFP)

A penguin is seen on the opening day of a new area reserved for them at bioparco in Rome on December 27, 2018 (Photo by Tiziana FABI / AFP)

A girl worships Aiyappa Swami as she performs a Mandala Pooja during the Mandalam Makar Vilakku festival at Aiyappa Temple in Bhopal on Decemebr 27, 2018. (Photo by Gagan Nayar / AFP)

A man removes the snow off his car in Ankara on December 26, 2018. (Photo by Adem ALTAN / AFP)

An Indian Hindu devotee carries a bucket of water from Narmada river in Jabalpur in Madhya Pradesh state, on December 28, 2018. (Photo by – / AFP)

Illustration created with a long exposure time on December 27, 2018 in Berlin shows a man drawing with a torch the year 2019 as behind him another man spins around a slingshot with burning steel wool whose flying sparks contrast against the night sky. (Photo by Paul Zinken / dpa / AFP) / Germany OUT

Saudi and Emirati participants prepare a camp at the Dhafra Camel Festival in the desert, 150 kms west of the United Arab Emirates' capital Abu Dhabi, on December 27, 2018. – The festival, which attracts participants from around the Gulf region, includes a camel beauty contest, a display of UAE handcrafts and other activities aimed at promoting the country's folklore. (Photo by KARIM SAHIB / AFP)

Sun shines through trees in the Taunus region near Koenigstein, western Germany, on December 28, 2018. (Photo by Frank Rumpenhorst / dpa / AFP) / Germany OUT

Thousands of biodegradable balloons are released by members of the Chamber of Commerce to celebrate New Year in Sao Paulo, Brazil, on December 28, 2017. (Photo by Miguel SCHINCARIOL / AFP)

Revellers dressed in mock military garb take part in the "Els Enfarinats" battle in the southeastern Spanish town of Ibi on December 28, 2018. – During this 200-year-old traditional festival participants known as Els Enfarinats (those covered in flour) dress in military clothes and stage a mock coup d'etat as they battle using flour, eggs and firecrackers outside the town hall as part of the celebrations of the Day of the Innocents. (Photo by JAIME REINA / AFP)