Rizhao, the sixth stop - see the sunrise at "0" altitude.

I stayed at the Blue Whale Hotel, which is very close to the Yellow Sea. I have a deep geographical connection with the Yellow Sea because it is the starting point of China's altitude, or "0" altitude. The "1985 National Elevation Datum" used in China is based on the average sea level of the Yellow Sea calculated from 18 years of long-term observations at the Qingdao Tide Gauge Station, which is used as the unified elevation datum in China. The height of Mount Everest, the highest peak in the world, is actually the height of the gravity line of Mount Everest relative to the sea level of the Yellow Sea in Qingdao. In addition, Rizhao is known as the place where "the sun rises over the sea and the dawn shines first". When you come to Rizhao on the shores of the Yellow Sea, you must see the sunrise. Early in the morning, I checked the exact time of sunrise, took a shower and changed clothes, and went to the hotel front desk to ask for the shortest route. I met a brother from Hunan and went with him...