<p style="text-align:start;" size="1" _root="[object Object]" __ownerid="undefined" __hash="undefined" __altered="false"><em>Forbes</em> spent months digging into how and why some of the world’s richest have parked nearly $30 billion of assets—from airplanes and helicopters to vineyards and luxury hotels—in holding companies in the European financial hub half the size of Delaware.</p>
