Ключевые слова: alternative, architecture, blue, boat, building, concrete, dam, electric, electricity, energy, engineering, environment, fish business, fish farm, fishing, flow, generation, generator, hydroelectric, hydropower, industrial, industry, isabela, lake, landscape, magat dam, mountain, nature, outdoors, overflow, philippines, power, renewable, reservoir, river, santiago city, sky, spring, station, structure, technology, tourism, travel, turbine, valley, view, visitor, water, white,