Power-walk

Nhung Ngo had the shortest legs at Site-43. She was the shortest member of staff, two inches beneath the positively elfin Delfina Ibanez, and yet Lillian found her inexplicably difficult to shake. Power-walking down the halls didn't do the trick, as it always did when Wettle-dodging, since the diminutive headshrink kept disappearing into commissaries or service corridors or even other people's offices and emerging, smiling, in front of her.

A pipe on the outside of a building had cracked, and staff had planted 10ft-tall sheets of lead into the ground around it to shield people from the radiation. It was perfectly safe, my guide assured me. We power-walked past nonetheless.