https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-lufthansa-open-around-the-clock

https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-lufthansa-open-around-the-clock

https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-lufthansa-open-around-the-clock