Mariah Carey and Twins Visit Great Wall of China

Mariah Carey and her twins had a Great recent visit to China … stopping to check out one of The Seven Wonders of the World!

The superstar musician posted a few snaps of the visit to Instagram … she looked fabulous, of course … adding that, “It really is great!”

MC’s twins Monroe and Moroccan … whom she shares with ex-husband Nick Cannon — and who just turned 13 — also appear to be enjoying the moment … but their smiles aren’t nearly as bright as mom’s!

MC is back to work, returning to the international stage just weeks after suffering a double tragedy … when her mother and sister died on the same day last month.

“Back at work. It’s been a couple of rough weeks, but I appreciate everyone’s love and support so much, and I can’t wait to see my fans in China & Brazil. Love you!” the singer recently posted to Instagram.

The superstar wowed at Rock in Rio de Janeiro this week before heading to the Beijing Workers Stadium in China for a pair of performances on Sept. 15-16.