China, the world’s most populous country is now, despite being only 10% urban in 1950, is now almost than 60% urban! What economic changes in China set off the world’s most incredible rise in urbanization?

China, the world’s most populous country is now, despite being only 10% urban in 1950, is now almost than 60% urban! What economic changes in China set off the world’s most incredible rise in urbanization?