Ключевые слова: architecture, autumn, civil engineering, cliff, construction, development, energy, engineer, engineering, environment, environmental, flowing water, give, hard hat, hydroelectric, hydrologists, industry, infrastructure, inspection, landscape, maintenance, natural resource, nature, observation, outdoor, oversight, planning, power, professional, project, protection, river, safety, safety gear, scenic, structure, technology, turquoise water, viewpoint, water management, worker,