New Zealand - Horse-drawn bus - In front of Graham & Gebbie Stables Horses - Domesticated circa 3500 BCE - Orically a wide variety of arrangements of horses and vehicles have been used, from chariot racing - which involved a small vehicle and four horses abreast, to horsecars or trollies, which used two horses to pull a car that was used in cities before electric trams were developed. (Reference: Wikipedia) Image source: Horse and Carriage https://knowledgebank.org.nz/still_image/horse-and-carriage-2/ Creative Commons Attribution-NonCommercial 4.0 International License.