A Chinese student wraps her arm around her waist and touches her belly-button to attempt a Belly-button challenge at a school in Luoyang city, centr Stock Photo - Alamy

Don't cyberbully her': celebrity Chinese street food seller with nice physique begs fans to spare woman who grabbed and caressed his arm during photo

Chinese Student Wraps Her Arm Her Waist Touches Her Belly – Stock Editorial Photo © ChinaImages #240901766

Chinese 'bellybutton challenge': Why are people posting pictures reaching behind their backs on social media?, The Independent

Online trend 'Belly Button Challenge' overtakes Chinese social media - ABC7 San Francisco

Zhejiang student trapped in bed frame during competition to flaunt figure

A Chinese student wraps her arm around her waist and touches her belly- button to attempt a Belly-button challenge at a school in Luoyang city, centr Stock Photo - Alamy

Let's do the belly button challenge, Health News - AsiaOne

Hong Kong children show me real beauty': mainland student says her photo of boy holding umbrella for woman proves upbringing 'much better' in city

Don't cyberbully her': celebrity Chinese street food seller with nice physique begs fans to spare woman who grabbed and caressed his arm during photo

Chinese Student Wraps Her Arm Her Waist Touches Her Belly – Stock Editorial Photo © ChinaImages #240901766

Chinese Student Wraps Her Arm Her Waist Touches Her Belly – Stock Editorial Photo © ChinaImages #240901766

Belly button not pregnant hi-res stock photography and images - Page 2 - Alamy

Don't cyberbully her': celebrity Chinese street food seller with nice physique begs fans to spare woman who grabbed and caressed his arm during photo

Belly Button Challenge”: The new buzz exciting the Chinese web