Their flight in an open - basket balloon ranks among the greatest of aeronautical feats, since they did it without an oxygen supply, with a minimum of protective clothing, and with virtually no knowledge of the upper atmosphere.
उघड्या टोपलीच्या फुग्याचे त्यांचे उड्डाण आजपर्यंतच्या सर्वात आश्‍चर्यकारक पराक्रमांत गणले जाते.