AI | Technology on Instagram: "A new demo from Lukas Ziegler is showcasing RIVR Tech’s quadruped delivery robot climbing snowy city stairs while carrying packages. The clip highlights how the machine handles uneven steps and slippery surfaces which are major challenges in last mile delivery. RIVR says the robot is part of its push toward Physical AI systems that can navigate real world obstacles without constant human input. The company also claims a single operator could supervise up to one tho