![A worker with a safety vest and hardhat rides in the basket of a cherry-picker in front of a wall of overlapping diamond-shaped metal scales. A worker with a safety vest and hardhat rides in the basket of a cherry-picker in front of a wall of overlapping diamond-shaped metal scales.](img/2021_week_34.jpg)
A maintenance worker on a cherry-picker gives attention to the iridescent blue-green scales of the Natural Science and Engineering Research Lab.
A maintenance worker on a cherry-picker gives attention to the iridescent blue-green scales of the Natural Science and Engineering Research Lab.