A woman photographs a Norwegian spruce Christmas tree from Oslo after it was lit at Trafalgar Square in central London, December 4, 2014. (Photo by Toby Melville/Reuters)

A performer from Cirque du Soleil's show “Quidam” practices backstage before a show at the MEO Arena in Lisbon December 18, 2014. (Photo by Rafael Marchante/Reuters)

Toyota driver Rainer Wissmans of Germany drives during the 2nd stage of the Dakar Rally 2015, from Villa Carlos Paz to San Juan January 5, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Argentine Juan Manuel Silva and Pablo Sisterna (not pictured) crash in their Mercedes car during the 7th stage of the Dakar Rally from Iquique to Uyuni, January 10, 2015. (Photo by Daniel Rodrigo/Reuters)

A performer from the Academicos do Grande Rio samba school dances during carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, early Monday, February 16, 2015. (Photo by Silvia Izquierdo/AP Photo)

Courthouse facility dogs are professionally trained facility dogs that are graduates from an accredited assistance dog organization that is a member of Assistance Dogs International. They assist crime victims, witnesses and others during the investigation and prosecution of crimes as well as other legal proceedings. Courthouse facility dogs also provide assistance to Drug Court and Mental Health Court participants during their recovery from drugs, alcohol, mental illness and post-traumatic stress disorder.

Migrants storm into a train at the Keleti train station in Budapest, Hungary, September 3, 2015 as Hungarian police withdrew from the gates after two days of blocking their entry. (Photo by Laszlo Balogh/Reuters)

A church made entirely from ice is seen during the night at Balea Lac resort in the Fagaras mountains January 29, 2015. (Photo by Radu Sigheti/Reuters)