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.
Friends of an Uzbekistani woman who died this week claim she was the world's oldest person ever having reached the age of 135. Tuti Yusupova's friends claim both her birth certificate and passport prove she was born on July 1, 1880. They now want the Guinness Book of Records to document that achievement. The current record holder is French woman Jeanne Calment, who was 122 when she died in 1997. Friends of Tuti Yusupova, pictured, who died this week claim she was the world's oldest person aged 135.