長生炭鉱跡（ピーヤ）
国道１９０号線を大沢で海岸道路に入ると目の前に周防灘が見えてきます。 堤防越しに、海の中からコンクリートの筒２つ突き出しているのが見えてきます。これは何？。子どもたちはひょっとしたら学校で習うのかもしれませ …
国道１９０号線を大沢で海岸道路に入ると目の前に周防灘が見えてきます。 堤防越しに、海の中からコンクリートの筒２つ突き出しているのが見えてきます。これは何？。子どもたちはひょっとしたら学校で習うのかもしれませ …
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