So there you are, lying by the pool, enjoying the Spanish sunshine and staring up at the crystal blue sky and the white fluffy clouds floating by, when you hear those dreaded words. “Dad, can we go to Aqualand tomorrow?” Your body starts to twitch involuntarily at the prospect of thousands of screaming, sunburnt kids hurtling down death defying water slides and encouraging you to join in. The lack of shade, the smell of hot dogs, overcooked onions and tortillas and queues for toilets shatter your peace and tranquillity and induce a state of semi-paralysis. You try to ignore it, but your wife joins in. “Go on, you know how much you’ll love it.” Well if you have no excuses, don’t despair. Here’s the…