Tower ofAwerness                                ---chapter 4The Cyber City                                    34Ravien thanked him.Ravien moved to a security pocket approval, where he was required to present his ID card for verification. The pocket-sized device, used for security checks, scanned his ID card and approved its validity. "Your ID card is valid. You can go," it valid.Ravien then approached a coworker and inquired about the location of the working cabins. The coworker replied, "Sir, on