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Photo: Fayhoo, CC BY-SA 3.0 via Wikimedia Commons
This was the Shanghai Office of the Communist Party from June 1946. It is now a museum telling the story of the Communist revolution in China and particularly Shanghai. See #Sinan Mansions above.
The Former Residence of Zhou Enlai in Shanghai, or Zhougongguan (周公馆) located at 73 Sinan Road, Huangpu District, in the former French Concession area of Shanghai, China, near Fuxing Park to the northeast, was the residence of Zhou Enlai (1898–1976), the first Premier of the People's Republic of China from 1949 until his death.
© OpenStreetMap contributors
大韩民国临时政府旧址/대한민국 임시정부 상해 유적지
In 1919, during the Japanese occupation of Korea, Korean independence activists in Shanghai established the Provisional Government of the Republic of Korea. This building served as the provisional government's main headquarters from 1926 to 1932. The site is now owned and preserved as a museum by South Korea. Everything is explained in Chinese and Korean, and there's nothing in English.
复兴公园; Fùxīnggōngyuán
This European-style park formerly known as French Park has gardens, open spaces and restaurants and clubs dotted throughout. Early in the morning, the park is filled with dancers (some Chinese styles, but mainly Western ballroom) players of various games (cards, mahjong, Chinese chess and Go), Tai Chi artists, and singing groups.
Sun Yat-sen (Sun Zhong Shan in Mandarin) was the first leader of the Republic of China after the 1911 revolution that overthrew the Qing Dynasty. He is one of the very few political figures regarded favorably by the current governments of both China and Taiwan. He lived mainly in Nanjing, the capital at the time, but also had this house in Shanghai. It was converted into a museum in 1961.
The building where the Communist Party of China (CPC) had their first national meeting in 1921.
If you are on a low budget or you want to have some free fun, buy some cheap drinks in a grocery and go up by elevator to the 6th floor of the 61-floor K11 skyscraper. Then you turn right and right again, to find one of the two sky gardens (the other one is left and left), with empty tables and chairs and a nice view on the city. Best timing for this secret place is at evening with your partner and ideally full moon. The gardens exist for holding some special Saturday parties from time to time, and most of the time it's just free to visit.
复兴路
Walk along Fuxing Rd to see classical old buildings and much boutique shopping. The Shanghai Music Conservatory is near Fuxing Road. Some blocks west of Shaanxi Road here and there are a number of shops specialising in musical instruments, especially orchestral stringed instruments, and several shops for classical or jazz recordings.