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.

Nestled among tulip fields not far from Amsterdam, the world-famous Keukenhof garden has opened for spring, welcoming camera-wielding visitors to its increasingly selfie-friendly grounds.