Housing Bubble Fears Rise Again As Mortgages Begin To Outpace Incomes [Getty Images]

Traditional Swiss houses and apartment blocks stand above Lake Geneva in Belmont, Switzerland, on Thursday, Aug. 21, 2014. Risks to the Swiss real estate market increased "marginally" in the second quarter as growth in home prices and mortgages outpaced that of income. Photographer: Gianluca Colla/Bloomberg via Getty Images

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