Portrait of little Asian boy holding paper drawing of American flag and posing for camera with smile against chalkboard with space rocket drawing in school classroom
Slowmo close-up of unrecognizable hand of businesswoman drawing business graph on chalkboard
A closeup of drawing on a chalkboard
African American professor standing at lectern in front of chalkboard and explaining math to university students
A child creating art on a chalkboard
Female drawing on a graph
Slowmo close-up of unrecognizable hand of businesswoman drawing business graph on chalkboard circling points of increase
Zoom in portrait shot of cheerful African American schoolgirl posing for camera and smiling while standing against chalkboard with space rocket drawing in classroom
Businesswoman drawing a decreasing graph, focus on the graph