The coronation of Thailand's new king closed with a spectacular drone show as more than 300 of the buzzing devices lit up the night sky.
Huge crowds looked on as the remote-control devices were used to form the shapes of an elephant and the national flower, and spell out celebratory messages.
At one point, the drones united to create a silhouette of King Maha Vajiralongkorn, or Rama X, in a stunning aerial display over Bangkok on Monday night, bringing an end to a ceremony that lasted three days.
The drones also spelled out phrases such as "Chakri Dynasty" and the Thai number "10", representing Vajiralongkorn's reign as the 10th king of the Chakri dynasty which was founded in 1782.
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They also formed the message "Long Live the King".
On Tuesday, 10 elephants painted white marched near the Grand Palace to honour the new king.
The animals and their handlers from the ancient capital of Ayutthaya walked for a short stretch before paying their respects to a portrait of the king.
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Many among the crowd of enthusiastic onlookers held portraits of the king.
"I'm delighted because I've never seen this before in my 70 years," said motorcycle taxi driver Boonsueb Unnimit.
Elephants hold special significance in Thai history and culture.
Bangkok resident Panarat Panchuer, 61, told Reuters: "The elephant is a symbol of the monarch, a symbol of battles, as well as a symbol of peace and serenity."
No elephants participated in the official coronation ceremonies.
However, the king to be presented with a white elephant, a gift that is considered especially auspicious, some time later.
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Laithongrien Meepan, the owner of Ayutthaya's Elephant Kraal and Village, said he was pleased the elephants managed to stay calm on Tuesday despite the bustling crowd and the heat.
"We're here full of happiness and overwhelmed," he said.
A non-toxic, water-based paint mixed with powder was used to create the appearance of a white elephant without harming the animals, the Kraal centre said.
The three-day ceremonies started on Saturday.
They followed a long period of official mourning for the king's revered father, King Bhumibol Adulyadej.
He died in October 2016 having reigned for 70 years.
The new king has vowed to rule "with righteousness".
The ceremonies mixed glittering pomp with solemn religious rites.
During the 18 months of his reign so far since his father's death, King Vajiralongkorn has moved to consolidate the authority of the monarchy.
This includes taking more direct control of the crown's vast wealth with the help of Thailand's military government.
Thailand ended absolute rule by its kings in 1932.
But the monarchy remains highly revered as the divine symbol and protector of the country and Buddhist religion.
