德国柏林世界文化宫，因其形状经常被称为”怀孕的牡蛎“
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/98041773@N00/">holger doelle</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photo_zoom.gne?id=58254706">Das Haus der Kulturen der Welt - schwangere Auster   Berlin - Tiergarten</a>