Portal - Test Chambers Creation Timelapse

Original video was created by Jeep Barnett, Valve employee and developer of Portal series. The purpose of this video is unknown but probably it was supposed to be shown at convention, conference or for private use. Our site - https://hl2-beta.ru Our Discord server - https://discord.gg/wRnRpFR Our Steam group - http://steamcommunity.com/groups/hl-beta Our VK group - https://vk.com/beta_project