We didn't expect that we would come to love the country as much as we do," said Cho, who speaks fluent Mandarin

What's the biggest challenge China faces, and how do you think the country should go about overcoming it? The biggest challenge could come from the changes

China is a big country, so officials have to collaborate with each other well

Impressed by how the history teacher had influenced her son, Cho has encouraged Chinese students to go to South Korea

China has lifted hundreds of millions of its citizens out of poverty over the past few decades, but doing the same for groups like the Yi poses a different set of challenges