He is studying about the metamorphosis of insects.

I love playing the vertical flute.

He moved diagonally against the wall to avoid the danger of enfilade.

This document is written in vertical-horizontal format.

What is the breadth and length of this room?

During an earthquake, the longitudinal waves arrive first.

This book is written in vertical typesetting.

In this graph, the vertical axis represents time.

In Japan, traditionally, sentences are written in vertical writing.

In Japan, traditionally, sentences are written in vertical writing.