World's tallest woman and shortest woman celebrate Guinness World Records Day

Guinness World Records on Instagram: "Shortest person to wing walk (male) - @johnlferguson  who measures 1.24 m (4 ft 1.12 in) The Canadian YouTube star just became the world’s shortest wing walker to prove that "even if you're different, you can achieve your goals". John, who has achondroplasia dwarfism, braved the UK’s infamous rainy weather when he took to the skies strapped to the top of an aeroplane. With thanks to @aerosuperbatics"