generate questions: On 7 January 1900, Tesla left Colorado Springs.[citation needed] His lab was torn down in 1904, and its contents were sold two years later to satisfy a debt.
When did Tesla depart from Colorado Springs? {sep_token} What happened to his lab? {sep_token} When was his lab destroyed? {sep_token} What happened to the things inside the lab after it was torn down? {sep_token}