https://www.euronews.com/2019/05/03/sri-lankan-airlines-puts-flight-marshals-on-planes-tourist-numbers-to-drop-by-500-000
Sri Lankan Airlines mette i marescialli sugli aerei, il numero di turisti scende di 500.000
https://www.euronews.com/2019/05/03/sri-lankan-airlines-puts-flight-marshals-on-planes-tourist-numbers-to-drop-by-500-000