“Forty tons may seem like a lot – it’s equivalent in weight to about 24 cars, or 6.5 fully grown elephants.”

“...Plaza de España, a semicircular, architectural extravaganza about the size of 10 American football fields...”

“Goalline technology showed the ball was 11.7mm away from crossing the line. Or about the width of a headache tablet. Or nine grains of sand...”