"While it is often associated with the sun going down, it can begin as early as 2 or 3 o'clock in the afternoon." Sundowning can affect individuals with dementia or Alzheimer's disease at any age.

Crowds gather in the village of Oia to catch the spectacular sight of the sun sinking into the Aegean Sea. The white-washed buildings with blue domes create a perfect contrast to the colorful sky.