Hers a sample; "If you get into a taxi in
"The mirrored balls are believed to reflect negative energy away from you, bringing you into alignment with harmony. In cars, the mirror reflects away evil forces that cause accidents. Another reason they're used in the taxis is because of the low ceiling which is believed to have a pushing down effect on you. The idea is that the mirror reflects the ceiling back before its pushing effect reaches you. The mirrors are also used to reflect natural elements outside, such as fresh air, back into the car."
Pretty cool eh? The photo above strongly reminds me of one or two local Taxi drivers I know!