Over 11,000 Revelers Kick Off Switzerland's Famed Basler Fasnacht Carnival
- Switzerland's largest carnival, the Basler Fasnacht Carnival, begins in Basel
- 11,000 people participated in the opening day parade on Monday
- Themes this year include artificial intelligence, the Barbie movie, and political issues
- The carnival dates back to 1376 and is recognized by UNESCO as cultural heritage
- This year's carnival runs until Wednesday