This image seems to tell the story best: https://www.frontiersin.org/files/Articles/696381/frsc-03-696381-HTML/image_m/frsc-03-696381-g001.jpg https://www.fron

This image seems to tell the story best: https://www.frontiersin.org/files/Articles/696381/frsc-03-696381-HTML/image_m/frsc-03-696381-g001.jpg https://www.frontiersin.org/files/Articles/696381/frsc-03-69... The per capita numbers in China are already big, but the biggest difference seems to be that there are a lot of people in those Chinese cities. Sidenote, looks like the study authors think Quebec City is in a developing country? Ouch.