Okinawa, Japan-July 7, 2018: A turtle swimming at Tori ike, which is a blue hole at Shimoji island. The color of ponds changes due to thermocline.

Name: Okinawa, Japan-July 7, 2018: A turtle swimming at Tori ike, which is a blue hole at Shimoji island. The color of ponds changes due to thermocline.
Uploaded: 2018-09-18
Duration: 24 s
Channel: khunta
Description: Okinawa, Japan-July 7, 2018: A turtle swimming at Tori ike, which is a blue hole at Shimoji island. The color of ponds changes due to thermocline.