Observations indicate that breakup occurs not by collapse of the bubble roof but by the bottom being drawn up into the bubble.

观察指出破裂的发生不是由于气泡顶部的崩溃，而是由于其底部被向上曳入气泡。

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Hutong Bubble 32 provides a toilet and a staircase that extends onto a roof terrace for a newly renovated courtyard house.

胡同泡泡32提供了一个厕所和一条通往新装修后四合院阳台的楼梯。

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Not only are prices going through the roof, but, as was the case with the US housing bubble, there are basically no downpayments.

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