Cruise passengers 'terrified' after finding out why captain ordered them to switch off their lights and close curtains

https://vt.co/lifestyle/travel/passenger-records-the-chilling-moment-cruise-ship-captain-ordered-everyone-to-switch-off-any-lights-and-close-curtains-during-voyage?utm_source=vt&utm_medium=picturepost&fbclid=IwY2xjawMF4OhleHRuA2FlbQIxMABicmlkETFLMGtPTXRxWGRKWmxKcVJmAR7L7_aTauPE0-Rq37EkBqj6V1fwMeD2jlTFJXfk0Yl55rdO4_nBlPCCEj2lsA_aem_Ac_Kos_gsNePhB4J-HLCEg