Prostředí učeben, ve kterém se studenti mají v úmyslu studovat vážně, práce studentů stonku, se učí o sluneční soustavě, kreslení a měření vzdálenosti, smyšlený raketových letadel, postupujte podle tohoto snu - Stock fotografie a obrázky

Globe on a plastic plate. The concept of ecology, land conservation.

Colorful figures around the World - globe

Globe sphere orb model effigy. (vintage style)

Pencil shells are out of pencils, pencils, crayons, many colors, stacked together, Globe simulation.

Businesswoman holding in hands with global connection concept. Energy saving concept, Elements of this image furnished by NASA

The globe rests on a book that turns out, the backdrop is sky and mountains sea.

Save Earth concept. Human hand holding earth over blurred blue nature background Elements of this image furnished by NASA. Woman hand, hands on blue background. Environmental protection concept.

World map on green grass lawn background for global eco-friendly environment, ecological and environmental saving, earth day, and go green backdrop concept

World map on green grass lawn background for global eco-friendly environment, ecological and environmental saving, earth day, and go green backdrop concept

Earth at night was holding in human hands. Earth day. Energy saving concept. Elements of this image furnished by NASA