4-year-old Czech girl becomes youngest to reach base camp at Everest
At the age of four years and five months, Zara has become the youngest girl to reach the base camp at Everest, a journey that totaled 270 kilometers.
WATCH: Czech man sets Guinness World record for most cans ripped with teeth in one minute
René Richter, whose bite is stronger than an alligator's, holds a variety of tooth-related world records.
