The section of the Arkansas River that runs through Tulsa is changing. For much of the city’s history, business owners constructed buildings facing away from what has been considered a polluted eyesore. But now Tulsa is embracing its most prominent physical feature.

The Arkansas River is an iconic feature of Tulsa, cutting across downtown and winding through the west side of the city. But it has a bad reputation.

So the sales-tax extension wouldn’t have a set end date. That’s unusual, but Tulsa has had success with the idea before.