<http://my.domain/path/to/file/%E7%8D%85%E5%AD%90%E9%A0%AD.jpg?1371377932>
This works just fine.
The browser knows to convert this to 獅子頭.

<http://mycdn.cloudfront.net/path/to/file/%E7%8D%85%E5%AD%90%E9%A0%AD.jpg?1371377932>
I get this error

> 
> ERROR
> 
> 
> The request could not be satisfied.
> 
> 
> CloudFront wasn't able to connect to the origin. 
>  Generated by cloudfront (CloudFront)
>  Request ID: 
> 
> 
>