Protesters use fireworks against riot police during clashes in the Athens neighborhood of Exarchia, a haven for extreme leftists and anarchists, Thursday, December 6, 2018. New protest marches were underway in Greece Thursday evening on the 10th anniversary of the fatal police shooting of a teenager, hours after violent initial demonstrations where masked youths attacked police with firebombs and stones. (Photo by Yorgos Karahalis/AP Photo)

Yak near Yamdrok lake, Tibet. It is a long-haired bovinae found throughout the Himalayan region of south Central Asia, the Tibetan Plateau and as far north as Mongolia and Russia. The Tibetan economy is dominated by subsistence agriculture. Due to limited arable land, the primary occupation of the Tibetan Plateau is raising livestock, such as sheep, cattle, goats, camels, yaks, dzo, and horses. The Tibetan yak is an integral part of Tibetan life. (Photo by Dennis Jarvis)

A man poses for a photo with a life size cutout of Pope Francis at Bicentennial Park where the pontiff celebrated Mass for an estimated half-million people, in Quito, Ecuador, Tuesday, July 7, 2015. Francis told an estimated half-million people gathered for the Mass that in a world divide by wars, violence and individualism, Catholics should be “builders of unity”, bringing together hopes and ideals of their people. (Photo by Ana Buitron/AP Photo)

People pose for pictures on the banks of Yangtze River on New Year's Eve in Wuhan, in China’s central Hubei province on December 31, 2020. (Photo by Noel Celis/AFP Photo)

Two horses appear to burst into laughter before a sweet embrace. The horses both turn their head to look at the camera and flash their teeth, treating the lucky photographer to a rare shot. Moments later the pair show their affectionate side by coming together and “hugging”. Photographer Nir Amos, 34, said he was “amazed” to capture the horses “laughing” in a field near Skógar, in the south east of Iceland on July 31, 2018. (Photo by Nir Amos/Solent News & Photo Agency)

The Aurora Borealis (Northern Lights) is seen in the sky in Ivalo of Lapland, Finland on September 27, 2019. (Photo by Alexander Kuznetsov/Reuters)

“La Diablada” dancers take part in a celebration in honor of the Virgin del Carmen, patron saint of Chile, in Santiago, Chile, Saturday, July 16, 2022. Hundreds of cowboys in woolen ponchos and families on wooden horse carts lined up to receive a priest's blessing in the huge esplanade in front of the National Sanctuary of Maipu on Saturday afternoon. (Photo by Esteban Felix/AP Photo)

Flight crews of German airliner Lufthansa wear traditional Bavarian folk dress during a photocall to celebrate Oktoberfest at Munich Airport Franz-Joseph-Strauss International on September 15, 2022 in Erding, Germany. Lufthansa cabin crew will dress in the Bavarian traditional costume “Blaudruck Dirndl“ and “Lederhose” on several international flights during the Oktoberfest who kicks off this coming weekend and will run for three weeks. (Photo by Alexander Hassenstein/Getty Images)