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.
A woman believed to be the world's oldest person has died at the age of 115 years and 199 days. Sant Kaur Bajwa, from Southall, west London, was born on 1 January 1898 in Pakistan, according to her passport. She has lived in the UK since 1969.