Stumbled into this here and figured it was interesting: https://travel.stackexchange.com/questions/117400/what-is-the-purpose-of-the-revolving-doors-before-immi

Stumbled into this here and figured it was interesting: https://travel.stackexchange.com/questions/117400/what-is-the-purpose-of-the-revolving-doors-before-immigration-in-cdg-airport https://travel.stackexchange.com/questions/117400/what-is-th... Specs: https://www.ribaproductselector.com/Docs/4/08634/external/COL323579.pdf https://www.ribaproductselector.com/Docs/4/08634/external/CO...