- Can a beach be called a beach if there's no sand? - Caroline said walking to the car park. - Yes. - Tom said, without expanding. - But like, how? - Well, - Tom put his backpack in the boot of the car, - rock beaches exist. Well, sand is just a lot of very tiny rocks, so beaches can definitely exist without sand. - What defines a beach, though? - a pebbly or sandy shore, especially by the sea between high and low watermarks. - Emily was walking up to the car, she took off her sunglasses, - coincidently I was looking that up yesterday. Don't ask how or why, coincidences happen. Where's Lola? - She should be here soon enough. Couldn't we have left later? Is time really that important? - Oh yes, - Tom said, - time is the most valuable thing on Earth. Happiness and love are close, but

