<span>it was located at the corner of North Queen and West Walnut Streets at the present site of Lebzelters service station. but it was torn down i think in late 1870 or something</span>
I'm pretty sure it's Philadelphia and Denver
Answer:
The Himalayas in the west and the Gobi in the north were two important geographic barriers. They made the spread of ideas and goods between the ancient Chinese and others outside the region difficult. The early Chinese were so isolated that they came to believe that China was the world's only civilization.
Explanation: