http://2.bp.blogspot.com/-ggWgykm2idE/ViYFGA_hxQI/AAAAAAAAEqo/MKIQurGjWa0/s1600/SAM_3647.JPG
Siwowo cave was in Kebumen, Jawa Tengah. The cave is not deep enough, because it is very steep so...
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http://2.bp.blogspot.com/-ggWgykm2idE/ViYFGA_hxQI/AAAAAAAAEqo/MKIQurGjWa0/s1600/SAM_3647.JPG
Siwowo cave was in Kebumen, Jawa Tengah. The cave is not deep enough, because it is very steep so...