Dalian, China.
DL3000s on route 201; they were built by the Japanese in the 1930s.
The first tram line opened in 1909 with 11 lines at its peak; today the network contains 2 lines (201 and 202) at a network length of 23.4km.
https://www.flickr.com/photos/fototak/31412169676/in/album-72157674596852351/