[Berlin_Freeper]

Naturally the children were “dressed as-” or “represented-”.

You could still say the same thing if they had actually used children from the regions.

But this article uses a direct quote:

"Fifty-six children from 56 Chinese ethnic groups cluster around the Chinese national flag, representing the 56 ethnic groups," it said.

[goldstategop]

China has a number of minorities. But the dominant ethnic group are the Han Chinese.

"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus