Communication and Internet networks in the world base map of the world and planet earth with digital system
Dad driving his two children on a weekend excursion with bikes on a summer day in beautiful landscape, for safety and protection they are sitting in a bike trailer
Beautiful white dandelion with seeds on aqua blue background
masts of sailing ships lying at the wharf skyline, blue sky with clouds
Hospital - surgery team in the operating room or Op of a clinic operating on a patient, perhaps it
Golden dome of the Orthodox church in Optina hermitage on the blue sky background
Education - Young teacher with pupil in his form of the elementary or primary school teaching