Angela Kantola, assistant director of the Upper Colorado River Endangered Fish Recovery Program, talks about the latest effort to assist endangered fish in the Colorado River: the construction of a huge concrete structure to help native fish to swim upstream for spawning.
![RTD Police Chief Joel Fitzgerald Sr. speaking at a press conference](https://www.cpr.org/cdn-cgi/image/width=3840,quality=75,format=auto/https://wp-cpr.s3.amazonaws.com/uploads/2022/11/221110-DENVER-SAFETY-PRESS-CONFERENCE-COLORADO-CONVENTION-CENTER-DOWNTOWN-CBD-KEVINJBEATY-31.jpg)