shanghai | Longtangs are typical backstreets or alleyways in Shanghai, which were built initially to serve urgent housing needs. Many longtang houses have been swept away in the drive for modernization and very few remain as the symbol of old Shanghai.

Longtangs are typical backstreets or alleyways in Shanghai, which were built initially to serve urgent housing needs. Many longtang houses have been swept away in the drive for modernization and very few remain as the symbol of old Shanghai. shanghai | Longtangs are typical backstreets or alleyways in Shanghai, which were built initially to serve urgent housing needs. Many longtang houses have been swept away in the drive for modernization and very few remain as the symbol of old Shanghai.
Longtangs are typical backstreets or alleyways in Shanghai, which were built initially to serve urgent housing needs. Many longtang houses have been swept away in the drive for modernization and very few remain as the symbol of old Shanghai.
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