Ключевые слова: arakawa, bank, civil engineering, climb up, construction, environment, get off the, go down, japan, lake, landscaping, leaf, level difference, light, maintenance, mud, outdoor, public business, reservoir, river, river kneeling, rivers, sai lake, saitama, saitama prefecture, seasons, soil, stairs, stroll, sun, sun rises, sunny, toda, todashi, water, water bearers, way,