(Aug. 20-24, 2022)
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| Following on from last year, we searched for ascidian on Kumejima Island for Sasaki-san's master thesis. | |
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| We continued snorkeling and found the ascidian we were looking for at the second spot. | |
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| Since we had some time, we went to see the columnar joints called Tatamiishi on Ou Island. | |
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| We also had the opportunity to visit a limestone cave called Yajiyagama. | |
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