Why The Original Marble Cladding Of La Grande Arche Was Replaced | Massive Engineering Mistakes

The Grande Arche de la Defense is a ‘monument to the 21st century’, becoming a modern addition to the iconic landmarks in Paris. However, engineering and material choices left it needing repairs just 21 years after its unveiling. 🇬🇧 Catch full episodes of your favourite Quest shows on discovery+: https://bit.ly/3iRA8F8 Subscribe to Quest TV for more great clips:    / subscription_c.  . Follow Quest on Twitter:   / questtv                 Watch Quest on Freeview 17, Freely 18, SkyQ and Sky+ 140, Sky Glass & Stream 140, Sky Scotland 141, Sky ROI 140, Sky Glass & Stream ROI 145 , Virgin Media 128, Virgin Media Scotland 137.