leaving cleaner air to flow back out. the idea of using moss s natural filtering properties came to the founder after he went for a jog. i properties came to the founder after he went for a jog.- after he went for a “0g. i was in shanghai h after he went for a “0g. i was in shanghai and after he went for a jog. i was in shanghai and did - after he went for a jog. i was in shanghai and did a - after he went for a jog. i was in shanghai and did a lot - after he went for a jog. i was in shanghai and did a lot of l in shanghai and did a lot of exercise outdoors to get in shape, i would go for a run and after i think two or three months i started to have difficulty breathing. and that is when i thought maybe i caught the flu, maybe i caught a cold, and it kept on lasting until the point i really left china, left shanghai and went back to germany. and only after i came back i realised, heh, there is definitely a connection to the air quality in china and my personal health. that is whe