Tile pattern 'X' and +'s any meaning?

Two +'s at the bottom.. Roths?

Biden, Johnson, Merkel and Trudeau engage in dinner-time climate change diplomacy as the biggest meeting of world leaders in Britain in 75 years are greeted by William and Kate at lavish evening bash at COP26 summit

https://www.dailymail.

co. uk/news/article-10154599/Biden-Johnson-Merkel-Macron-launch-dinner-time-diplomacy.html