As long as we live we learn. I had no idea that somewhere on Earth there is a day where for a full 24 hours normal life is totally suspended. No people on the streets,  no noises,  no traffic,  no airports opened, really nothing works for 24 hours.  It has a huge impact, much larger than Earth hour for instance. 24 hours with no pollution, be it from factories, cars or plains. Tourists are confined to their hotel rooms with black curtains covering the windows. No lights can be seen from the streets.  Total silence. A life changing experience. 4.22 million locals and many thousand tourists in total silence on…