Smiley PET-bottle Christmas tree at Siam Discovery
![Smiley PET-bottle Christmas tree at Siam Discovery Smiley PET-bottle Christmas tree at Siam Discovery](https://media.timeout.com/images/105961611/750/422/image.jpg)
![Smiley PET-bottle Christmas tree at Siam Discovery Smiley PET-bottle Christmas tree at Siam Discovery](https://media.timeout.com/images/105961611/750/562/image.jpg)
Like last year and the year before, Siam Discovery has put up a tree that reflects its sustainability initiative. Its 2022 “green-hearted Christmas tree” is made of hundreds of repurposed PET bottles tied together in the shape of a giant Smiley, the iconic figure that’s at the center of OneSiam’s holiday theme.