The Proterozoic division of the geological time scale is an era of the Phanerozoic eon. The Proterozoic division began 2.5 billion years ago and ended 542.0 million years ago.
The Chinese failed to foresee that the European expansion would rival their rise because the Chinese did not see the importance of voyages across oceans. The Europeans were out to discover new lands, resources and colonies. The Chinese were thinking about how to bring together their nomads.
Pound was influenced here by the Japanese haiku form, which utilises images from nature to connect the momentary with the timeless, the miniature with the transcendent. The idea of people's faces being like 'petals' suggests their fragility and the brevity of life
nat-geo
You don’t need specific numbers for econ