<prompt> Translate the following text to EnglishMashindano ya mbio hufanyika kuanzia Septemba hadi Juni, na Hong Kong ina viwanja viwili, uwanja wa zamani wa Happy Valley kwenye kisiwa cha Hong Kong na uwanja wa Sha Tin katika maeneo mapya.  <response>: The racing schedule is September to June, and Hong Kong maintains two tracks the older Happy Valley course on Hong Kong Island and the striking Sha Tin track in the New Territories. 