During the 12th Century , at the zenith of their rule , they attracted a number of artisans from Kyoto .
During the 12th Century , at the zenith of their rule , they created a capital city , Hiraizumi , in what is now Iwate Prefecture .
During the 12th Century , at the zenith of their rule , they attracted a number of artisans from Kyoto and created a capital city , Hiraizumi , in what is now Iwate Prefecture .