Also referred to as the midnight sun, a polar day occurs when the sun does not set for an entire day, or 24 hours. It is called the midnight sun, because the sun is often still shining at midnight. This phenomenon can occur for just one day or six months, depending on how far away from the equator a region is.
She is Europe's oldest living person and has attributed her longevity to eating several raw eggs a day. The oldest person ever to have lived was the French woman Jeanne Calment who died aged 122 years and 164 days, according to Guinness World Records.
Guinness World Records: World's oldest person and tallest woman die within days of each other. Besse Cooper died peacefully yesterday at her Georgia nursing home, at the age of 116. Get daily news by email. The world's oldest person has died - just days after the world's tallest woman passed away.