Parag Khanna 2 : How megacities are changing the map of the world

Parag Khanna at TED 2016
How megacities are changing the map of the world (transcript)
Summary
Seven years have passed since the speaker’s previous talk.
I quite understood two things that he told us this time..
One is that FOR NOW, Tokyo is the world’s largest megacity. However,  next seven years will pass hurriedly more than the past seven years, Will Tokyo be there? In Japan, people who can work are really decreasing. The country where the population is increasing is a thread for Japan. Actually, the megacities he tells us are the areas where the world's population numbers are first to tenth.
Next is that overcoming some ancient mythology will create a strong country. I think that Japan is cursed by bad mythologies that are about the stories world war 2, military comfort women, nuclear, an aging problem and etc. Thus there are vast insurmountable distances between Asia countries and Japan. I think that only the seas around Japan help Japan for now. 
The speaker tells us that from now, the power of connectivity will decide how your country is strong. For now, connecting by land seems to coordinate a Pax Asiana and a Pax Africana.
It'll continue while each country decides to focus on economic ties over territorial tensions and digitalization helps it.
We have to really remember that the map of the world is not something we see and we remember but we think what our world is and we have to read and understand our future from the maps. The maps always show a lot of things that we don't notice.


"TOP 20 LARGEST COUNTRIES BY POPULATION (LIVE)"
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http://www.worldometers.info/world-population/#top20

Words in this story
emission /noun/  discharge, release, outpouring, outflow, leak
disparity /noun/  discrepancy, inconsistency, imbalance
insurmountable /agj/ too great to be overcome
mythology /noun/ a collection of myths, especially one belonging to a particular religious or cultural tradition. myth, tale.