UNICORN | a small cartoon unicorn
NATURE | a vibrant rainbow arches across the sky
BUILDINGS | A high-rise building
TRANSPORTATION | High-speed rail
FOOD | A nice steak sizzling on a plate, with a side of crispy fries and a fresh salad
HALLOWEEN | Kitten wearing a wizard's hat and a Halloween pumpkin
NATURE | a tranquil lake surrounded by smooth, flat rocks, reflecting calm waters, and dotted with a few solitary trees