Schoolgirl writing on chalkboard with chalk in classroom at school 4k
Front view of Asian schoolboy writing and showing text on slate chalkboard in classroom at school 4k
Man crosses out the word happy on a chalkboard
Positive confident Caucasian schoolgirl in coronavirus face mask writing at desk in classroom and showing thumb up. Blurred African American classmate writing on chalkboard at background. Covid.
Schoolgirl with long pigtails writes mathematical problems with chalk on chalkboard slow motion. Girl studies arithmetic. Lesson in primary
Slow motion of young woman with Down syndrome working in modern cafe writing on chalkboard promoting hot cocoa
Arc Shot of Man by Coffee Van in City Street, Writing Menu on Chalkboard