TWICE A YEAR, HAWAII EXPERIENCES A ‘ZERO SHADOW DAY,’ CREATING MIND-BOGGLING OPTICAL ILLUSIONS

Hawaii is the only US state to experience this phenomenon. The post Twice a year, Hawaii experiences a ‘Zero Shadow Day,’ creating mind-boggling optical illusions appeared first on Upworthy.

Upworthy reports that hawaii is the only US state to experience this phenomenon.

The report adds: The post Twice a year, Hawaii experiences a ‘Zero Shadow Day,’ creating mind-boggling optical illusions appeared first on Upworthy.

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