Ключевые слова: astronomy, backgrounds, black background, blockchain, blue, business, cartography, color image, communication, complexity, composite image, computer, concepts, connection, cyborg, data, digitally generated image, ecommerce, email, equipment, firewall, futuristic, global, horizontal, ideas, illustration, internet, japan, laptop, madrid, map, mythology, no people, office, research, science, sky, social media, spain, sphere, success, sunset, symbol, technology, vertical, white background, working, world map,