Look at photos to guess the age of the site

A very interesting website: look at the photos to guess the age, you can also upload your photos for friends to guess. Open the website, it shows some photos uploaded by netizens, randomly find one you are interested in to guess, select the age you think and then click "I guess" to submit, there will be a guess of the result. In the results page, you can participate in the comments of the photos, you can also see the jokes provided by the site, and you can accumulate points and leaderboards. If you are interested, you may wish to challenge it and see how your eyesight is.