The Mona Lisa is the most famous one. Although, there are others.
At the age of 6, Benny began studying violin, an instrument that became his trademark; his parents hoped for him to become a professional violinist. He loved the instrument but hated to practice.
Answer:
Acheive is misspelled, the correct way is Achieve
1. I would say Fallingwater (initials, FLW, his name) would be the most famous
2. Haven't seen your tutorial, but as an architecture student I would say it's about nature, materiality and inside/outside
I believe its false but I can’t say for sure.