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Britain, Japan, then West Germany and the United States, as well as the United Nations and the World Bank, had all declined to fund the project, deeming it financially unviable, while China in that time fulfilled its promise to help construct the railway.

Building said China Railway Construction Corporation, which is also known as CRCC, had said in a letter that it could deliver the line in five years, instead of the 15 or 20 currently anticipated; and that it could do so for less money.

Building up their business from almost ground zero, some of Shenzhen's tech firms used to battle for their share of the market with low-priced copycat products. Cheap, low-end, fake were among the words most commonly used to describe their products.

British Prime Minister Boris Johnson said at the summit that he hoped the event would be a moment for the world to come together. "I urge you to join us to fortify this lifesaving alliance and inaugurate a new era of global health cooperation, which I believe is now the most essential shared endeavor of our lifetimes," he said.

But Amazon’s meteoric rise has also meant huge job growth, infusing economic vitality into its hometown.