World Record Lego Bridge
This is a world record for the longest Lego bridge. This took no less than 10 engineers to construct. A toy, but the engineering challenge doesn't diminish.
Best quote is at 16:03 around how to be a successful engineer, you not only need a strong grounding in analytical subjects like maths, engineering and physics, but you also need a deep understanding of arts and humanities and above all a passion for changing the world for better.