Vertical Lines

This is my third image featuring vertical lines:

I used a Nikkor 50mm f/1.4D to give myself a bit of a challenge. I'm so used to zooming in and out at will, I wanted to see what it would be like using a prime lens. It felt a little strange at first, but the depth of field on this lens is amazing! I've chosen a focus point half-way up the line to take the eye right into the picture.

I looked around for some less obvious vertical lines, ie patterns rather than vertical structures, and found this:

I've included some of the grass at the base of the tree to give it context and I've darkened the background a little to make it less distracting. Now to find some horizonatal lines ....