“Speaking of glimpsing a hidden truth,” Langdon said, looking suddenly amused. “You’re in luck. There’s a secret symbol hiding right over there.” He pointed. “On the side of that truck.” Ambra glanced up and saw a FedEx truck idling at a red light on Avenue of Pedralbes. Secret symbol? All Ambra could see was the company’s ubiquitous logo. “Their name is coded,” Langdon told her. “It contains a second level of meaning – a hidden symbol that reflects the company’s forward motion.”
