Kedu ka emume mmiri ochie si emegharị obodo ọgbara ọhụrụ
N'okpuru igwe anaghị agba nchara na ihe mmetụta na-emetụ n'ahụ bụ emume mmadụ dị afọ 4,000 - ikesa mmiri ọha. Site na aqueduct Rome gaa Japanesemizuomenala, isi iyi ịṅụ mmanya na-enwe ọganihu zuru ụwa ọnụ ka obodo na-eji ngwá agha megide nchegbu ihu igwe na nkewa nke ọha mmadụ. Nke a bụ ihe mere ndị na-ese ụkpụrụ ụlọ na-akpọzi ha “ọgwụgwọ hydration maka mkpụrụ obi obodo mepere emepe.”