Zhang HengFrom Wikipedia, the free encyclopedia Zhang Heng (張衡) chacha suti, (* Nanyang, 78 mara yuritayna - Luoyang, 139 mara yuriwi) China Yatxatawi jaqiq . Zhang Heng (78-139).
Zhang Heng (張衡) chacha suti, (* Nanyang, 78 mara yuritayna - Luoyang, 139 mara yuriwi) China Yatxatawi jaqiq . Zhang Heng (78-139).