Elon Musk has become a sort of enigma ever since he launched his electric car company, Tesla. Everyone wants to get inside the head of the genius that’s creating the most environmentally friendly cars on the market. But we’ll settle for a Musk-guided tour of a Tesla factory.

Youtuber Marques Brownlee was recently invited by Musk to take a tour of one of his California factories and watch the production of a Model 3 sedan from start to finish. Watch the full video above.