A history of the Grand Canal of China. Begun twenty-five centuries ago and 1100 miles long; it is the oldest and longest man-made waterway in the world.
A history of the Grand Canal of China. Begun twenty-five centuries ago and 1100 miles long; it is the oldest and longest man-made waterway in the world.
Describes the geography, history, resources, and people of the polar regions emphasizing the way of life, need for conservation, and scientific experiments being carried on.
