|The "Leaning" Dome of St Paul's Cathedral|
11" x 8", pen and sepia ink and coloured pencils in Moleskine Sketchbook
copyright Katherine Tyrrell
I used to draw the interior of St Paul's Cathedral and always started by drawing a vertical line right down the centre of my page so I could keep track of the verticals as I looked up and down!
See my website for more drawings of the interior of St Paul's and the view of St Paul's from the South Bank of the River Thames