Ena- Five Key Escape

[old biker]

The story of this game is escape from the house by finding five keys. Assume that one day you are stuck inside the house of your colleague when you went there for a meeting. You have to find five different keys to get escaped.

Good luck

Play

Please use spoilers for hints and walkthroughs:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[old biker]

Belgium Capital doesn't work
We like to think it's Antwerp ,but it's not
ah ,needed hint