Flying the skies on a passenger jet can give you a view like no other, providing a birds-eye look at cities, rivers, fields, or forests. For first-time fliers or children, this can be a thrill, but ...

If you’ve ever had a window seat on a plane, you might have noticed a tiny hole at the bottom of each windowpane. But what’s the purpose of it? TRAVELBOOK explains why these holes are essential in two ...