How do I meet people in Luxembourg City?

"There are many ways to meet people in Luxembourg City. You can join clubs or organisations such as sports clubs, volunteer organisations, language clubs, or cultural and religious groups. You can also attend social events and meet-ups that may be listed on websites such as Meetup.com. Networking and attending events organised by business organisations, chambers of commerce and professional associations can also be great ways to meet people. Finally, you can also meet people in Luxembourg City’s many cafés, bars, and restaurants," mentioned another expat when asked about moving to Luxembourg City, Luxembourg.