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Grand Central Terminal
This rather sweet mini fire truck is stationed within the terminal because ceiling heights especially down at the platforms would not allow a regular truck in.
One of the few sensible things that Americans do is talk about "track" numbers not platform numbers.
Dump no waste - drains to waterways, ie. to the Hudson. See message cast into the plate at the bottom of the photo. Compare with "no dumping" photos in other parts of the USA.