Kathmandu, March 14 -- These viral social media posts consist of two images-one that shows a space littered with trash and the other of that same space all cleaned up, the trash neatly bagged. This is the #trashtag challenge and it has now entered Nepal.

KP Khanal, a long-time social worker and activist, hopped on the #trashtag bandwagon on Thursday, March 7, with a clean-up drive at the New Bus Park in Gongabu with five of his friends. Khanal tagged his post #trashtag, even though he didn't strictly follow the format of the meme, posting just the 'after' photo. The photo was then shared by the popular Routine of Nepal Banda Facebook page on Sunday, March 10, where it has been liked over 19,000 times and shared over 300 times. And since,...