1. Silicon Valley is in California, where a lot of famous global brands have offices.
2. The hamburger, which was invented in Hamburg, is very popular around the world.
3. The Piraha, whose language is very difficult, live in the Amazon rainforest.
4. The drowning of marzanna, when people celebrate the end of the winter, takes place on 21st March.
5. Stan Lee, who created Spider-Man with Steve Ditko, died in 2018.
