<span style="color:rgb(20,20,20);background-color:rgb(254,254,254);">Hello, I was wondering if this sentence is correct;</span><br style="color:rgb(20,20,20);"/><br style="color:rgb(20,20,20);"/><b style="color:rgb(20,20,20);">Not until I went out on the balcony was the negligence of the labourers' work visible to me.</b><br style="color:rgb(20,20,20);"/><br style="color:rgb(20,20,20);"/><span style="color:rgb(20,20,20);background-color:rgb(254,254,254);">I know how inversion after 'Not until" works, just asking about this specific example</span>