로마 수로 이야기 Art:Early aqueducts had to rely on the force of gravity to move water over long distances. So the water could only move from a high point to a lower point. Modern aqueducts use electric pumps to move the water along.
This is a guide about organizing genealogy information. Researching your genealogy can be a fun and rewarding experience. Organizing the information you collect is important to preserve your hard work.