https://knews.kathimerini.com.cy/en/news/guinness-recognizes-oldest-person-to-conquer-grand-canyon-on-foot
In a testament to the adage that age is just a number, 92-year-old Alfredo Aliaga Burdio has etched his name into the annals of adventure by becoming the oldest person to conquer the Grand Canyon rim-to-rim on foot....
