 The Toruń Triangle, honoring the sister city relationship with Toruń, Poland, was constructed in 1976, west of the United Way building at 18th Street and the Benjamin Franklin Parkway.Sister Cities Park was redesigned and reopened in 2012, featuring an interactive fountain honoring Philadelphia's sister and partnership cities, a café and visitor's center, children's play area, outdoor garden, and boat pond, as well as a pavilion built to environmentally friendly standards.The Chinatown Gate, erected in 1984 and crafted by artisans of Tianjin, stands astride 10th Street, on the north side of its intersection with Arch Street, as a symbol of the sister city relationship.