National Geographic March 1925

The Singing Towers of Holland and Belgium
A glimpse into the history and architecture of several famous bell towers, and a backstage show of bell- playing techniques offer perspective on a matchless form of music.
Looking Down on Europe: The Thrills and Advantages of Sight- seeing by Airplane, as Demonstrated on a 6, 500- mile Tour Over Commercial Aviation Routes
Combining the fine points of the in- flight experience with colorful reports of the European locales traversed, an Army Air Service lieutenant endorses the blossoming commercial air- travel industry as efficient, economical, and safe.
Across French and Spanish Morocco
Two enterprising women, frequent geographic contributor Harriet Chalmers Adams and her sister, travel by car and train through North African regions under French and Spanish military control, reporting on the local culture and activities of the Europeans