Cheerful girl in a classroom showing thumbs up with math formulas on the blackboard.

Female Student Doing a Thumbs Up In Front of a Blackboard

A young man sits on the gym floor after an intense lifting session, demonstrating athletic endurance.

Man Sitting near Bar at Gym

Detailed view of mathematical equations and diagrams on a blackboard.

A male teacher points at equations on a blackboard during a lesson in a classroom setting.

A boat cruises under a suspension bridge in Istanbul on the Bosphorus Strait.