Narrator: Here at Keukenhof, 7 million bulbs are planted by hand in just three months. Spread across 80 acres, it's one of the world's largest spring flower gardens, with 800 varieties of tulips.

and the country celebrates with parades and garden tours. Just a short drive outside Amsterdam is Keukenhof, a massive park in the Netherlands’ Lisse covered with 7 million vibrant flowers.