"about math, research papers, science"

"phức hợp enzyme cơ chất, màu vàng nâu xám"

"金字塔上有一只眼睛"

"Wizard with a staff of shadows"

"Ghost ship in a storm"

"Ghostly carriage"

"Space station with astronauts"

"Fairy tale castle with flags"

"Astronaut floating in space"

"Mermaid with a treasure chest"

"Fairy ring in the woods"