At great heights free balloons seem necessary.
A strong wall and bastions, with a broad moat and outworks, and forts on the surrounding heights, give the city an appearance of great strength.
In March 1814 he was one of the band of students who, on the heights of Montmartre and Saint-Chaumont, attempted resistance to the armies of the allies then engaged in the investment of Paris.
The Calabrian Alps, the less rocky sides of the Apulian Murgie and the whole length of the Apennines are covered at different heights, according to their situation.
The highest volcanoes, Tabanan, Batur and Gunung Agung (Bali Beak), have respectively heights of 7545 ft., 73 8 3 ft., and 10,497 ft., the central chain having an average altitude of 3282 ft.