Leila Chen, senior structural engineer, pulled off her VR visor. The glowing blue schematic of the Thames Tideway tunnel she’d been stress-testing dissolved into the air. She blinked, her eyes adjusting to the harsh, white light of the racks humming around her.

Her wrist-comp buzzed. A text from the overnight AI supervisor, . DOWNLOAD COMPLETE. REALITY BUFFER SET TO 1:1. ENVIRONMENT: LONDON, UK. TIMESTAMP: 2026-04-17.07:00 BST. VERIFICATION REQUIRED. Leila frowned. A download? They didn't download environments. Tekla was their design and modelling software—a god-tier tool for building digital twins of bridges, stadiums, skyscrapers. You used it to upload blueprints, to simulate loads, to clash-detect pipes. You didn't download… reality .

"Can you fix it?"

She saw data.

She tapped the console. "TEKLA, define 'Environment Download'."