code: def _query_for_reverse_geocoding(lat, lng):
      
      # have to do some stupid f/Decimal/str stuff to (a) ensure we get as much
      # decimal places as the user already specified and (b) to ensure we don't
      # get e-5 stuff
      return "{0:f},{1:f}".format(Decimal(str(lat)), Decimal(str(lng)))
docs: Given a lat & lng, what's the string search query.
  
      If the API changes, change this function. Only for internal use.