Circle the area on this map
D. Mexico City primarily rests on the soft clay lakebed of what was Lake Texcoco. It also sits on the Pacific Ring of Fire - a region around the ocean where 90 percent of the world’s earthquakes occur. The region also has most of the world’s volcanoes, and Mexico City is built in a valley surrounded by volcanic mountains.
C. Shanghai is ranked as the world’s third most populous city and its metro transports 7.8 million people every day compared with 4.4 million in Mexico City. Moscow, New York and Seoul are smaller than Mexico City, but their subways all serve more commuters. Tokyo is the world’s largest city and also transports the most commuters – 10 million a day.
A. The southeast Asian city-state of Singapore has the best infrastructure of the world’s wealthy nations according to the World Economic Forum. The tiny nation is the world’s fifth richest ranked by gross domestic product per person.
B. China spends 5.5% of its gross domestic product on its infrastructure compared with 0.52% spent by the United States. Australia ranks second in infrastructure at 1.69%, and the United Kingdom is third at 0.92%. The United States is far down the list.