** It’s an interesting topic for everyone of us.

There are some agencies/groups they can take you all with groups with reasonable prices providing accommodations for staying. They do provide one day trips a lot

http://see-eu.info/

https://pm2amtrips.com/user/listAllActiveTrips.action

PC: https://www.roughguides.com/destinations/europe/belgium/brussels/

Please do note : All info based on our experiences , It might differs with other experiences