Virtual floats reduce waste at Thai festival
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.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.
Source: yahoo.com