Any city owning any public building and site is, except as otherwise specifically provided by law, hereby authorized to sell such building or building and site upon such terms and in such manner as the governing body may deem to be in the best interest of the city. Moneys received from the sale of any such building or building and site may be placed in a special building fund and used for any of the purposes authorized by this act or may be used in combination with other funds as provided by Kan. Stat. Ann. § 12-1737.