Leave airport during layover in Brussels?

I'm flying from New York to Newcastle, England, but I have a 12 hour layover in Brussels. My bags will be checked through to Newcastle. Does anyone have experience leaving the airport during a layover? I'd like to spend the afternoon in Brussels, have lunch, and head back to check in for my flight. Is this... show more I'm flying from New York to Newcastle, England, but I have a 12 hour layover in Brussels. My bags will be checked through to Newcastle. Does anyone have experience leaving the airport during a layover? I'd like to spend the afternoon in Brussels, have lunch, and head back to check in for my flight. Is this possible? Thanks!
5 answers 5