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Twice a day it happens between the Japanese islands of Naruto and Awaji - the emergence of the giant Naruto whirlpools.
There is so much to see in Gyeongju, South Korea, day and night. The Anapji ponds on the edge of the former Silla fortress Banwolseon are particularly illuminated at night and, weather permitting, the water surface beautifully reflects the imposing palace buildings.