[Kumamoto]Aso mountain, you can watch the crater of active volcano!2013.09.27

Aso mountain is most famous volcano with caldera in Japan.
The temperature of the crater is 1000 to 1200℃.
Please imagine, what colour is this crater?
Actually, the colour is, contrary to most expectations, blue green.

Aso mountainPhoto by awayukin
Aso mountainPhoto by aql
Aso mountainPhoto by awayukin

This colour occurs by chemical reaction.
This icy colour gives out volumes of steam-smoke.
This powerful and magnificent mountain is the symbol of Kumamoto.

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