Today marks the Double Ninth Festival in China, which falls on the ninth day of the ninth month on the Chinese Lunar calendar. It's a day to celebrate longevity, so let's take a look at how older people around the world keep fit and enjoy their later years. Photo shows 69-year-old British DJ Ruth Flowers mixing music at a recording studio in Paris on March 3, 2010. [Photo: VCG]"

A contestant dances alongside relatives and friends during a beauty contest for older women in honor of Mother's Day in Sao Paulo on May 10, 2012. [Photo: VCG]"

Julia Albu, a 80-year-old woman, smiles at the camera from her car in London on July 4, 2018. She spent a year driving her beloved 1997 Toyota Corolla from her home in Cape Town, South Africa to reach her daughter's house in London. [Photo: VCG]"

Seventy-three-year-old Robert Harker and his 70-year-old wife Nancy square dance in Sun City, Arizona on January 8, 2013. [Photo: VCG]"

A 90-year-old jumps out of a plane 12,000 feet above Headcorn Airfield in Kent, England on June 5, 2012. [Photo: VCG]"

Eighty-year-old Sobhy Mohamed lifts weights as part of his exercise routine at his local gym in Cairo, Egypt on February 26, 2018. [Photo: VCG]"

A grandmother of five from Bristol scuba dives at a First World War battleship to celebrate her 80th birthday in Scapa Flow, England on January 2, 2018. [Photo: VCG]"