A London dad has shared a snap of an incredible Tube map on his bathroom wall using custom-made tiles. Now, after the introduction of the Elizabeth line, which officially opens today (Tuesday, May 24), he says his kids are requesting he change the map in line with the new changes to the railway line. Jonathan Baggs posted a picture of the stunning wall design on social media. He tweeted: “The kids want us to update the bathroom tiling. #ElizabethLine #Crossrail @TfL#tubemap” alongside the snap. The Elizabeth line, known previously as the Crossrail project, will see commuter’s travel times slashed and should decrease congestion. It also may mean Jonathan will have…