Here are a few ways a building can have a silver appearance:
* Metal cladding: Many modern buildings use metal panels for their exterior. These can be made of aluminum, stainless steel, or even titanium, and often have a silvery finish.
* Reflective glass: Buildings can also incorporate large expanses of glass with a reflective coating that gives them a silvery appearance. This is common in skyscrapers and modern architecture.
* Paint: While less common, some buildings are simply painted a silver color.
So, while there's no building made entirely of solid silver, there are plenty of buildings that are silver in appearance due to various architectural techniques.