The author pedaled more than 2,000 kilometers , much of it through epic smog . Charity bike ride started in Shenzhen , finished in Shanghai . Beyond the scenic city of Huizhou , our troop of seven cyclists pedaled along relatively empty roads through broad expanses of green , undulating farmland . Comment: Most of the riders in author 's group found the air quality disturbing .
The author pedaled more than 2,000 kilometers , much of it through epic smog . Charity bike ride started in Shenzhen , finished in Shanghai . Comment: Most of the riders in author 's group found the air quality disturbing .