President Donald Trump has demolished the East Wing of the White House to make way for his planned $300 million ballroom.

From start to finish, it only took a few days to destroy the more than century-old structure, which was built in 1902 and substantially renovated and expanded in 1942. As of Thursday, the whole thing is gone. This has, understandably, inspired some questions. High on the list: Is this legal?

Vox collected a few of those questions below, and took our best swing at answering them. Here’s what we know:

Why is this happening?

Trump wants a ballroom on the White House campus, part of his campaign to gradually Mar-a-Lagoify the People’s House (previous highlights including paving over the historic Rose Garden with a patio that he’s dubbed the Rose Garden Club, gilding the

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