Tragedy struck in the filming of the last Harry Potter film when Daniel Radcliffe's stunt double was left paralysed during the filming of a flying scene. Radcliffe was devastated by the fate of his friend, and held a charity auction to raise money to pay for his university fees.

Travelling can have a very powerful effect on you – including to lower your stress levels and improve your overall brain health. It can also make you healthier and fitter! Because you’re exposed to new environments your body is forced to boost your immune system and adapt swiftly to new cuisine.

Ancient Greeks also invented the philosophy of stoicism, a logical and ethical approach to the world. Its adherents sought to overcome destructive emotions through self-control and fortitude. They strived to be free of jealousy, envy and anger and become truly unbiased, independent thinkers.