San Francisco and Zurich are Sister Cities since 2003. Foster cultural exchange, share knowledge and experience, support partnerships & networks 🌍 https://t.co/7Lzj6Ahv1S The San Francisco—Zürich initiative, launched in 2003 by business and academic circles, aims to s The San Francisco–Zurich Initiative, launched in 2003 by business and academic circles, aims to share knowledge and experience, support the development of partnerships and networks, as well sustain a positive relationship between the two cities, with a focus on cultural exchanges for artists and students.