I’m not entirely sure but I think it’s a standard salute they give when they pledge allegiance to their flag. It’s reminiscent of Bellamy salute that was done in the states whose usage fell out of favor presumably for historical reasons.

I hope Kix doesn’t make one.

Agreed! This one's Venice at Sunset, if you're wondering.

Is this a Gustave Doré engraving?

I’m not OP, but I think it’s Bannerman Castle on Pollepel Island in the Hudson River.

Sir Elton John and his husband David Furnish testified on behalf of the defense.

It’s the sator square.