For a long time, the people of Hargigo, a village in the tiny African country of Eritrea, were living without enough food for themselves and their animals. The families were hungry, and their goats and sheep were hungry too. Then along came a scientist, Dr. Gordon Sato, who helped change their lives for the better. And it all started with some special trees. These are the trees, Mangrove trees, That were planted by the sea. With alternating verse...