Denmark is a pretty amazing country. You can sleep on a houseboat. They call hot dogs sausage wagons. Everyone rides bikes. And now the country is . Spies Travel is joining forces with wannabe grandmas in the fight against Denmarks low birth rate. Introducing Spies Parent Purchase™: Send your child on an . Hotel rooms are one of lifes great aphrodisiacs -- at least thats the theory behind a new campaign from Danish package-holiday specialist Spies Rejser. A Danish travel company has taken an unusual approach to encourage Danes to go on vacation: the countrys underpopulation problem. The company is .