It was meant to display the public works of the city and their functions, and not least Moses' many improvements to city infrastructure like the Triborough Bridge.

建造“纽约全景”是为了向公众展示纽约的城市公共工程和设施功能，尤其是许多由罗伯特·摩斯主导的改善公共基础设施项目，比如三区大桥。

youdao

In New York, a good example would be Triborough Bridge Authority bonds which use the tolls paid by cars entering and leaving New York City to service the annual interest payments owed investors.

FORBES: Muni Bond Defaults Will Be Rare