Elon Musk shares a rendering of Tesla's new factory in Berlin complete with rooftop solar panels and green space (TSLA)

· Elon Musk shared a futuristic rendering of Tesla's under-construction Berlin factory. 
· The illustration shows a roof rife with solar panels and green space, and possibly even a swimming pool. 
· News photos from a German agency this week showed cranes in place and walls beginning to take shape on the company's first...