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Two senior men playing chess together in living room

Grandpa and granddaughter plays chess together at home. Mature man teaches young girl to build a strategy during the game. The relatives spends their leisure time together.

Partial view of two senior men playing chess and pressing button on chess clock at wooden table

Elevated view of two young African pupils sitting at a desk playing chess during a break from lessons in a township elementary school classroom 4k

Front view of African American schoolboy learning mathematics with abacus in a classroom. He is counting beads 4k

High angle view of a millennial Caucasian woman working in the office of a creative business, sitting at a desk using a graphics tablet and stylus

Close-up of chess game and chess pieces on table

Front view of Caucasian schoolgirl learning mathematics with abacus in the classroom. She is counting beads 4k

Mid section of African American schoolboy using abacus in classroom at school. He is playing with abacus 4k