One design visualisation shows that the lower half of the orb would be fitted with tiered seating, while the upper half would form a spectacular vaulted roof.
<img src="https://archinect.imgix.net/uploads/nw/nwf88iqhxfzmx6cc.png?fit=crop&auto=compress%2Cformat&w=1200" border="0" /><em><p>London’s suggestive skyline already boasts a Gherkin, a Walkie Talkie and a Cheesegrater. Soon they may be joined by the Golf Ball. According to plans seen by the Guardian, a giant glass sphere taller than St Paul’s Cathedral could be built next to the Olympic park in east London. [...]
The Guardian has published a rendering of a new proposed concert venue resembling a giant glass sphere that could even dwarf St Paul's Cathedral. In typical London fashion, the project near the Olympic Park has already been dubbed "the Golf Ball," however the design's fate and origins remain unconfirmed. According to the paper's sources, the scheme was commissioned by the NY-based Madison Square Garden Company with Populous as the architect.