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Volcano and Geothermal Tourism in Kyushu, Japan 145
Figure 9.2 Concrete bunkers near the viewing area at the crater of Mt Aso
Note: After a few years the bunkers need replacing as the sulphur in the air eats into the concrete, exposing the aggregate and the steel
structure making the shelter unsafe.
Figure 9.3 Volcano tourists at the crater rim of Mt Aso taking photos
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