Inventor and balloonist Frederick Eshoo drifts over Albuquerque, New Mexico, in his invention, Sunstat, the first maneuv发明家及热气球驾驶者弗雷德里克·埃索驾驶着他的发明--首架可操纵太阳能热气球在美国新墨西哥州的阿尔伯克基上空飘过。