(171113) -- HAVANA, Nov. 13, 2017 (Xinhua) -- Felix Guirola rides his giant bicycle in Havana, Cuba, Nov. 11, 2017. Felix Guirola is not afraid of heights as he rides through the streets of Havana on a unique 4-meter bicycle. Guirola has remodeled several bicycles since August 1981, when he pedalled a 2-meter bike at carnivals in the central Cuban city of Ciego de Avila, where he was born 52 years ago. Guirola claims that from 1987 to 2004 he held the world record for the tallest bicycle, but only his neighbors in Ciego de Avila knew about his achievements. (Xinhua/Joaquin Hernandez) (djj)