A police dog licks its face after receiving food during the dog festival, as part of celebrations of Tihar at Nepal Police Academy in Kathmandu October 22, 2014. Hindus all over Nepal are celebrating the Tihar festival, also called Diwali, during which they worship cows, which are considered a maternal figure, and other animals. Also known as the festival of lights, devotees also worship the goddess of wealth Laxmi by illuminating and decorating their homes using garlands, oil lamps, candles and colourful light bulbs. (Photo by Navesh Chitrakar/Reuters)

A police officer sprinkles colored powder onto a police dog at Nepal's Central Police Dog Training School as part of the Diwali festival, also known as Tihar Festival, in Kathmandu, Nepal, 22 October 2014. The Tihar festival is the second major festival for Nepalese Hindus and this year is held from 21 October 2014. (Photo by Narendra Shrestha/EPA)

A police officer sprinkles colored powder onto a police dog at Nepal's Central Police Dog Training School as part of the Diwali festival, also known as Tihar Festival, in Kathmandu, Nepal, 22 October 2014. (Photo by Narendra Shrestha/EPA)

Nepalese police officers perform during a worship ceremony at Nepal's Central Police Dog Training School as part of the Diwali festival, also known as Tihar Festival, in Kathmandu, Nepal, October 22, 2014. (Photo by Narendra Shrestha/EPA)

Police dogs look behind during a worship ceremony at Nepal's Central Police Dog Training School as part of the Diwali festival, also known as Tihar Festival, in Kathmandu, Nepal, October 22, 2014. (Photo by Narendra Shrestha/EPA)

A police dog with colored powder on its head at Nepal's Central Police Dog Training School as part of the Diwali festival, also known as Tihar Festival, in Kathmandu, Nepal, 22 October 2014. (Photo by Narendra Shrestha/EPA)

Nepalese policemen garland and apply vermillion on the foreheads of their dogs during the Tihar festival at a police kennel division in Katmandu, Nepal, Saturday, October 17, 2009. Nepalese are marking the five-day long festival of Tihar, and celebrations today were dedicated to the worship of dogs. (Photo by Gemunu Amarasinghe/AP Photo)

A police officer puts a garland on a police dog during the dog festival as part of celebrations of Tihar at Nepal Police Academy in Kathmandu October 22, 2014. (Photo by Navesh Chitrakar/Reuters)

A police dog is offered biscuits after being worshiped by a police officer during the dog festival as part of celebrations of Tihar at Nepal Police Academy in Kathmandu October 22, 2014. (Photo by Navesh Chitrakar/Reuters)

A Nepalese police dog with vermillion on the forehead and garland in his neck licks his lips during the Tihar festival at a police kennel division in Katmandu, Nepal, Saturday, October 17, 2009. Nepalese are marking the five-day long festival of Tihar, and celebrations today were dedicated to the worship of dogs. (Photo by Gemunu Amarasinghe/AP Photo)

A Nepalese police dog with vermilion on the forehead and garland in his neck greets a photographer during Tihar festival at a police kennel division in Katmandu, Nepal, Saturday, October 17, 2009. (Photo by Gemunu Amarasinghe/AP Photo)

Nepalese policemen garland and apply vermillion on the foreheads of their dogs during the Tihar festival at a police kennel division in Katmandu, Nepal, Saturday, October 17, 2009. (Photo by Gemunu Amarasinghe/AP Photo)

Nepalese policemen with their dogs participate during the Tihar festival at a police kennel division in Katmandu, Nepal, Saturday, October 17, 2009. (Photo by Gemunu Amarasinghe/AP Photo)

Nepalese police officer and dog handler Padam Gurung and his dog pose for a photograph during celebrations for the Tihar festival at a police kennel in Katmandu, Nepal, Saturday, October 17, 2009. (Photo by Gemunu Amarasinghe/AP Photo)

A police officer and his dog sit together during the dog festival as part of celebrations of Tihar at Nepal Police Academy in Kathmandu October 22, 2014. (Photo by Navesh Chitrakar/Reuters)