Tianjin, China: Multicultural City?

That the Chinese had to allow Foreigners concession rights to their cities (e.g. Shanghai, Hong Kong) nearly 100 years ago must have been a great humiliation for them and is an embarrassment for them to talk about now. 

So it was interesting to see the spin they would put on this CCTV9 tourist show about Tianjin.   Tianjin is near Beijing and was said on the show I saw last night (Rediscovering China) to be the biggest foreign concession to have ever existed in China.  Rediscovering China, with a female foreign host, trying to hard to be earnestly interested, did a tour of the city.  All the buildings built by foreigners from the concession days were shown in the best light possible.  To not mention the fact that these buildings were made by foreign conquerors, Tianjin was said to be a meeting place for all sorts of cultures, a cultural mosaic as it were...