$2.7 billion tunnel will help cut raw sewage dumped into Anacostia River by 98 percent

$2.7 billion tunnel will help cut raw sewage dumped into Anacostia River by 98 percent

WJLA

On the surface by RFK Stadium, it looks like your average construction site. But 120 feet down, there's a $2.7 billion tunnel that's about to change the nation's capital.