Reuters | @justearthnews | 05 Dec 2017
#Tokyo led sakura lights #Christmas illumination in tokyo #Discarded cooking oil #Sakura blossomstokyo led sakura lights #Sakura blossoms
A park along Tokyo's Meguro river, a popular spot for viewing cherry blossoms each spring, is transformed into a LED wonderland for the Christmas season. But there's a dirty backstory behind what's powering it. Grace Lee reports.