While a Place can hold any data structure, including other places, as you 
said once you refresh the browser, the data is lost. 

To circumvent this, Place must be considered to be a special kind of object 
in GWT, such that, the state of the place must be represented as part of 
url.  This is the reason for having a 
PlaceTokenizer<http://code.google.com/p/google-web-toolkit/source/browse/trunk/user/src/com/google/gwt/place/shared/PlaceTokenizer.java?r=9076>.
 
So in spite of having a reference to the toBeRedirectedPlace, you must also 
have a url param redirectTo=<xxx>, from which you can reconstruct the place 
on browser refresh. 

Hope this helps!

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