Sorry, Service Temporarily Unavailable. The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later. Additionally, a 503 Service Temporarily Unavailable error was encountered while trying to use an ErrorDocument to handle the request.
Please check the URL for proper spelling and capitalization. If you're having trouble locating a destination on Yahoo!, try visiting the Yahoo! home page or look through a list of Yahoo!'s online services. Also, you may find what you're looking for if you try searching below.
Search the Web advanced search | most popular Please try Yahoo! Help Central if you need more assistance.
5(a) As the birth rate declines, the 2058 population pyramid will probably have a very narrow base, means that the number of young people (15 or below) will be outnumbered by the number of the elderly (65 or above). It means that "Rainbow City" will become an aging society. Therefore, in response to the changing age structure,the government will have to provide more services for the elderly, like homes for the elderly, hospital services, better social welfare services, assistance to the elderly, old-age pension fund.