The main attraction of Okinawa World is Gyokusendo (玉泉洞), one of the largest limestone caverns in Japan. It's cooler in here (21˚C), so it's great in summer.

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Filename:	gy142-20201106_0304.jpg
Album name:	philbert / Okinawa World & Gyokusendo Cavern おきなわワールド・玉泉洞
Keywords:	okinawa / nanjo / world / gyokusendo / cave / cavern
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Date added:	Jan 16, 2022
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IPTC Copyright:	Copyright Philbert Ono PHOTOGUIDE.JP
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This section is called Toyo Ichido. 東洋一洞