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Inauguration Stage Damaged After Capitol Riots ... Months of Work Blown

Nothing was spared in or around the Capitol in the chaos and destruction triggered by President Trump ... including the Inauguration stage which suffered significant damage.

TMZ got these pics showing the stage's siding torn to shreds ... as it appears the insurrectionists were gung-ho to do maximum damage. The stage itself is still standing, but it's gonna need a lot of repairs.

In a move that's clearly coming one day too late ... security's erecting 8-foot high fencing.

There are also guards now standing watch over the construction that had been going on for at least 5 months.

As we reported ... work had been ramping up on the West Front of the Capitol. At the time, it was hard to tell what the setup would look like ... whether it would be a scaled-down version of past inaugurations ... due to the COVID-19 pandemic.

It remains to be seen how Wednesday's deadly violence at the Capitol will change final plans for Inauguration Day.

You can bet security will be even tighter after the Capitol breach that resulted in at least 4 deaths -- the shooting of Ashli Babbitt and 3 others from medial emergencies during the failed coup.

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