Lisbon’s light … How can we define a phenomenon that everyone recognises but that is so hard to put into words? Nothing better than poems to transmit what’s special and what’s difficult to explain. Lisbon’s light is frequently mentioned in poems and in fado lyrics. But painters, photographers and filmmakers, either Portuguese or foreigners, also seek to capture and register the intensity and glow that enchants them and that is an intangible icon of the city. It’s a fascinating natural phenomenon, well-known internationally and one of the true reasons to visit Lisbon. But why does this city of the seven…