SIGHTLINES (n.) Thirteen protected views of St. Paul’s Cathedral and The Palace of Westminster from fixed points thus thwarting architects’ ambition to populate the capital with vanity projects.
Dr. Johnson’s London Dictionary for publick consumption in the twenty-first century avail yourself on Twitter @JohnsonsLondon
CabbieBlog 
Just as well they are in place. I can only imagine the awful buildings that would be there if not.
Best wishes, Pete.
LikeLike
Yes Pete, it would look even worse.
LikeLiked by 1 person