You can interact with this photo (applause, criticism, whatever) by mention it in one of your posts or by replying to its syndication on 500px, which will also be shown here as a Webmention .
Webmentions
No Webmentions yet...
In case your blog software can't send Webmentions, you can use this form to submit me a mention of this photo...
There are many Mastodon instances out there.
Tell me yours and I will redirect you to the share dialog of your server: