The text on the left reads:

Silent and still: a rusting, cast-iron, life-sized body stands staring out to sea. As the tide comes in it is submerged under waves, as the water retreats it reappears. A cultural clock, corroding yet constant, patiently waiting for the next tide, on and on, over and over for eternity, while our lives and loves ebb and flow around it.

It refers to the Antony Gormley: Another Time figure.

The text on the right, below a QR code says:

Words paint pictures for those who can’t see. Try adding ALT TEXT to any photos you share online today.

I loved seeing this near the Turner Contemporary in Margate. What an impactful way to illustrate the need for alt text.