European countries have adopted more judicious approaches to masking young travelers than the United States.

From Ryanair to the TGV to KLM, young children can travel across Europe without masking.

While the United States CDC recommends children aged 2 and older mask just about everywhere indoors — child care, malls, schools, buses, trains, and planes — European countries have not only adopted more judicious approaches to masking in schools, but also on public transportation.