2019-09-01, Kazakhstan, Kostanay. Schoolgirls in white coats in a biology or botany class measure a sprouted green plant with a ruler. Growing plants by hydroponics in a high school laboratory. Poster #236506602
2019-09-01, Kazakhstan, Kostanay. Schoolgirls in white coats in a biology or botany class measure a sprouted green plant with a ruler. Growing plants by hydroponics in a high school laboratory. Poster #236506602
