Best drone view of Wellington monument

In my last post I expressed my infatuation with the Wellington monument in Somerset. Having watched a few drone videos on the subject I vote this one the best I've seen yet. There's an internal staircase to a viewing platform with three round windows near the top and, apparently, a counterweight hangs inside the top of the monument to help balance it in windy weather. I'd like to find out more about these two details...  Whether common mortals will be allowed to ascend once the current restoration is complete is questionable.