Pittsburgh sister city to Wuhan.

https://triblive.com/local/pittsburgh-allegheny/pittsburgh-planning-aid-for-sister-city-of-wuhan-china-stricken-with-coronavirus/

Pittsburgh sister city to Wuhan.

https://archive.triblive.com/news/trade-from-chinese-sister-city-in-china-fuels-local-firms/