As a population ages you have a lot of empty-nesters wanting to cash in on their homes and downsize. Without enough young people to create the demand prices will fall.
For several years BTalk was a daily business podcast presented for CBS in Australia.
The Telegraphs coverage of a massive public display today. For those who were there, or saw the aerial shots, it wasnt as big as you think apparently. One commenter put it at 100k. https://t.co/ulpfafibNO