Ключевые слова: april, blue, bright design, care, climate change, concept, concern, condition, diagnosis, earth, ecology, environmental awareness, environmental protection, global, healing, health, health check, health image, health monitoring, healthcare, investigation, medical, medicine, minimalist, monitoring, plain background, planet, planetary, precaution, prevention, protection, public, reflection, research, stethoscope, sustainability, symbolic, testing, world, world health, world health day,