"about math, research papers, science"

"特朗普在玩滑板"

"猫头鹰大法官"

"海盗船长和他的鹦鹉"

"Alien with a teleportation device"

"Ghost ship on the high seas"

"Astronaut with a space probe"

"Pirate ship with cannons"

"Mythical phoenix rising"

"Spaceship in a nebula"

"Knight on a horse"

"Fairy with a wand"