[strongSwan] How to visit blocked site via two level StrongSwan?

[li xin]

Hi,
   Sites like YouTube are blocked in my country, I try to deploy StrongSwan
in a US server as proxy, it works but slow because my ISP has slow
connection to US.
    Client----->US server(StrongSwan)---->YouTube

   So I try to add a local server to speed up the connection, it also runs
StrongSwan, like this:
    Client---->local server(StrongSwan)---->US
server(StrongSwan)---->YouTube

   Is this possible? If it is, how to config it. Thanks in advance.
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