In other countries farmers built this: http://www.destination360.com/asia/philippines/images/s/banaue-rice-terraces.jpg http://www.destination360.com/asia/phili

In other countries farmers built this: http://www.destination360.com/asia/philippines/images/s/banaue-rice-terraces.jpg http://www.destination360.com/asia/philippines/images/s/bana... I am pretty sure they did it without power tools, too, back in the day.