But perhaps not for much longer in the eastern Chinese city of Jinan, population nearly 7 million. Local authorities have announced a ban of the practice, which they decried in a public notice as “uncivilized behavior” that is “seriously affecting the image of the city.” People found breaking the infraction in areas including parks, public squares, buses, scenic spots and business areas—basically everywhere you’d want to roll up your shirt—could face punishment, the Guardian reports.

The full list of uncivilized behaviors stretches to spitting, littering, failing to wait in line politely, and taking off your shoes to air out your feet. Grandfathers have thus been put on notice to stay unexposed—even as summer temperatures climb higher and higher.

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