1 of 14
Bangkok: Luscious greens, egg-yolk yellows and delicate oranges flickered across waterways in the Thai capital Bangkok, as virtual projections of the Loy Krathong festival's traditional offerings reduced waste at the popular event. Image Credit: AFP
2 of 14
The annual festival, celebrated on Monday, sees millions ask forgiveness from the river diety Khongkha by releasing colourful floats into waters across Thailand under a full moon. Image Credit: Reuters
3 of 14
In recent years environmentalists have expressed concern as Bangkok's already clogged waterways are increasingly choked by the plastic and foliage "krathongs", as the offerings are known. Image Credit: Reuters
4 of 14
To combat this, a Bangkok Metropolitan Administration (BMA) initiative took a fresh approach to the centuries-old tradition. Image Credit: Reuters
5 of 14
Rather than floating the elaborately constructed offerings - which include leaves, flowers, plastic, candles, incense sticks and sometimes coins - people were asked to create digital krathong. Image Credit: AFP
6 of 14
After colouring-in drawings of krathong on paper, or on their phones, attendees' sketches were scanned and then projected onto the city's Ong Ang Canal. Image Credit: Reuters
7 of 14
"The tradition still remains. But we must integrate the festival to be up-to-date, in order to create less impact and less pollution on nature," attendee Chainarong Tumapha, 27, told AFP. Image Credit: AFP
8 of 14
The BMA said about 3,700 images were projected across the nighttime waters. "We can see that it's getting a lot of attention, especially among young people," Bangkok official Pornphrom Vikitsreth told AFP. Image Credit: AFP
9 of 14
But the numbers were dwarfed by Bangkokians choosing to release the more traditional floats, with officials saying that more 600,000 were removed from the city's waters. Image Credit: AFP
10 of 14
The BMA said polystyrene usage was down three percent from last year, with the vast majority of offerings made from natural materials. Image Credit: Reuters
11 of 14
As people cast off their floats, tugs and small vessels bobbed in the Chao Phraya River, with workers scooping krathongs from the choppy waters. Image Credit: AFP
12 of 14
The collected material will be sorted, with biodegradable elements turned into compost and plastic sent to landfill. Image Credit: AFP
13 of 14
Near the Icon Siam luxury mall, where the krathongs were guided into the Chao Phraya by golden-painted slides, revellers enjoyed a more traditional celebration. Image Credit: AFP
14 of 14
"If we don't continue [Loy Krathong], our children and grandchildren will not see this," said 57-year-old Tanaporn Karueksom. Image Credit: AFP