<p>At Abu Dhabi’s Etihad Arena, one of the city’s biggest entertainment venues, safety means inspecting thousands of nuts and bolts, because even one loose piece could spell disaster.</p>
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The hidden safety checks behind Abu Dhabi’s biggest shows

At Abu Dhabi’s Etihad Arena, one of the city’s biggest entertainment venues, safety means inspecting thousands of nuts and bolts, because even one loose piece could spell disaster.

1:50 • Source: CNN
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<p>At Abu Dhabi’s Etihad Arena, one of the city’s biggest entertainment venues, safety means inspecting thousands of nuts and bolts, because even one loose piece could spell disaster.</p>
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