1100 THE NAIMONAL, CHOGCRAZEIC MAG ZAIN 
Photo by Rollin T. Chamberlin 
CHENGTU WATERWORKS 
he buckets on the wheel dip up water from the stream, and later, when near the highest 
oint of a revolution, pour it into a trough, from which a pipe conveys it to the reservoir. 
The wheel is turned by the force of the stream. 
THE RICE FIELDS ARE ALWAYS PLOWED WITH THE HELP OF THE WATER BUFFALO: 
THE PLOW IS OF PRIMITIVE DESIGN AND OF WOOD 
