Ashiyama water purification plant (1) 04.jpg
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Ashiyama water purification plant (1) 04, Ashiyama Water Purification Plant in Mito City, Ibaraki Prefecture
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茨城県水戸市の芦山浄水場、茨城県水戸市の芦山浄水場（2022年5月撮影）
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Ashiyama water purification plant (1) 04, Ashiyama water purification plant
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Ashiyama Purification Plant in Mito City, Ibaraki Prefecture and Ashiyama Purification Plant in Mito City, Ibaraki Prefecture
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芦山浄水場(1)04茨城県水戸市芦山浄水場
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芦山浄水場
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purification purifying refining refinement refine cleansing cleaning cleanup generic