Elephants enjoy various kinds of fruits and vegetables during an all-you-can-eat elephant buffet held to mark the National Elephant Day at the ancient historical city of Ayutthaya, Thailand, 13 March 2014. The annual National Thai Elephant Day is held on 13 March to celebrate and drawing public attention for more concerted effort to save the species and protect its habitat. Thailand sees a severe decline with less than 3,000 wild elephants left in the kingdom. (Photo by Rungroj Yongrit/EPA)

Mahouts pray while sitting on top of elephants during Thailand's National Elephant Day in the ancient Thai capital Ayutthaya March 13, 2014. (Photo by Chaiwat Subprasom/Reuters)

An elephant holds onto the tail of another elephant as they walk during Thailand's National Elephant Day in the ancient Thai capital Ayutthaya March 13, 2014. Thais honoured the elephant on Thursday with special fruits and Buddhist ceremonies across the country to pay homage to their national animal. (Photo by Chaiwat Subprasom/Reuters)

A Thai Buddhist monk sprays holy water to bless elephants and mahouts during an all-you-can-eat elephant buffet held to mark the National Elephant Day at the ancient historical city of Ayutthaya, Thailand, 13 March 2014. (Photo by Rungroj Yongrit/EPA)

Elephants eat platters of fruit during the elephant banquet to mark “National Elephant Day” in Ayutthaya province on March 13, 2014. National Elephant Day aims to raise public awareness about elephant conservation as the latest elephant census shows Thailand’s pachyderm population dropping to fewer than 5,000 countrywide. (Photo by Pornchai Kittiwongsakul/AFP Photo)

A Thai Buddhist monk blesses elephants and mahouts during an all-you-can-eat elephant buffet held to mark the National Elephant Day at the ancient historical city of Ayutthaya, Thailand, 13 March 2014. (Photo by Rungroj Yongrit/EPA)

Thai mahouts pray while sitting on elephants as part of an elephant banquet to mark “National Elephant Day” in Ayutthaya province. (Photo by Pornchai Kittiwongsakul/AFP Photo)

Elephants enjoy a “buffet” of fruit and vegetables during National Elephant Day in the ancient Thai capital Ayutthaya. Thais honoured the elephants with special fruits and Buddhist ceremonies across the country to pay homage to their national animal. (Photo by Chaiwat Subprasom/Reuters)

A Thai Buddhist monk blesses elephants during Thailand's National Elephant Day in the ancient Thai capital Ayutthaya. (Photo by Chaiwat Subprasom/Reuters)

An elephant grabs bananas with its trunk as it is fed by a Thai student during an all-you-can-eat elephant buffet held to mark the National Elephant Day at the ancient historical city of Ayutthaya. (Photo by Rungroj Yongrit/EPA)