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Old 4th December 2010
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kidtian kidtian is offline
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Default Jepang memiliki terowongan bawah tanah untuk mengatasi banjir!!

maaf sebelumnya klo repost..ne dia..


kebanyakan dari kita bertanya-tanya bagaimana cara Jepang mengatasi banjir walaupun hujan dan badai ?, ternyata kuncinya adalah saluran pembuangan besar di bawah tanah yang menjamin semua air hujan disalurkan ke laut sehingga tidak ada banjir saluran bawah tanah ini berada di sebagian besar daerah di jepang .Anda akan kagum pada saluran bawah tanah yang luas dan efisien menanggulangi banjir








































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