We continue to hear that Belgium's golden era is coming to an end, but on the evidence of Monday's victory over Finland, the future does not look bad at all.While Thomas Vermaelen, Axel Witsel and Eden Hazard may be nearing the end of their international careers, Romelu Lukaku, Kevin De Bruyne and Thibaut Courtois will go nowhere anytime soon. The peaks of Youri Tielemans, Jason Denayer and Leandro Trossard are yet to come. Against Finland, the latter duo looked like skilled international players, who could give the film…