Original Five Kings and Xia Shang Dynasties long lived around
The First Dynasty Xia
String of The
The Astronomical Observatory
searched Antares in Scorpius 4000 years ago.
Ten Suns at Grand Canyon and
Nation of Black Teeth.
The ancient emperor capital town Yucheng with grave of his
wares discovered at YinXu
and Tomb group of Kings.
Solar and lunar eclipses recorded at tortoise shells and Solstice
The Shang Dynasty at ShangQiu and Yi Yin’s
The Star Calendar at ox bone,
one and half a year are 547 days.