A one-day strike by workers at 13 German airports, including the Frankfurt and Munich hubs and all the country's other main destinations, caused the cancelation of most flights on Monday. The 24-hour walkout,

German airports are no stranger to strike action, but even by local standards, Monday's walkout is having a huge impact.

A strike at Germany's Hamburg Airport has left all outgoing flights cancelled Monday, with more airports likely to soon be affected.