Hello. I have a Schengen visa valid for Spain, of one entry (+1 Trans.05 Schengen), for a research period of 180 days. I'm a mexican student and I would like to go to Norway for a weekend. Is it possible to travel within the Schengen zone with this visa? Are there border controls within Schengen space? (I checked the web page of the EU. and it seemed that there was no problem). Will I have any problem when I come back to Spain, if I make the trip?
I'll be waiting for your answer. Thanks.