Ninety-two feet and a thousand more to spare. Every tile he stepped on had a history more complex than anything known to man. Life had emerged and gone extinct a million times in the cracks between the pavement. It was all contaminated, it would all decay. Abiogenesis was an everyday occurrence, a billion wars were waged over femtometers of concrete, galaxy-spanning empires rested on the backs of eight-dimensional bacteria. He didn't care, it didn't matter anymore. He kept walking.