The ten best (and butteriest) croissants in Paris, according to a former tour guide

Paris may be known as the city of light and love, but we think it should also be known as the city of croissants. Buttery, flaky moon-shaped pastries usually eaten for a Francophone breakfast on-the-go, but not all are baked equally – so we've rounded up the best, Parisian-approved spots to grab them