Travelers wait in long lines outside the terminal building to check in and board flights at Amsterdam’s Schiphol Airport, Netherlands, Tuesday, June 21, 2022. After two years of pandemic restrictions, travel demand is back with a vengeance but airlines and airports that slashed jobs during the depths of the COVID-19 crisis are struggling to keep up. With the busy summer tourism season underway in Europe, passengers are encountering chaotic scenes at airports, including lengthy delays, canceled flights and headaches over lost luggage. (AP Photo/Peter Dejong, File)