武汉市疾病预防控制中心 That's the Wuhan CDC. It's across the street from the market and has a virus lab. Google Maps will not show you the correct location but you can pu

武汉市疾病预防控制中心 That's the Wuhan CDC. It's across the street from the market and has a virus lab. Google Maps will not show you the correct location but you can put the address (湖北省武汉市江汉区马场路288号) and it's close enough. Or use Baidu Ditu and find it's right in the middle of the clusters in your first link, ~300m south of the market.