How to come back from Paris to London with a bike?

The starting point is at Westminster Bridge in British capital London and is coming to an end at Notre-Dame-de-Paris in the French capital. But, once arrived in the splendid city of love, how to come back with your bikes? Here’s a few ideas*…

And to conclude, a little summary : 

**This article has been written in May 2023 and some solutions may have evolved since then according to the operators.