If you litter in this national park in Thailand, it may come back to you.
It will be sent to your home address as a sharp reminder to clean up after yourself when you're out and about.
Officials at the popular Kao Jai National Park near Bangkok will begin sending garbage back to polluters, Thailand's environment minister said.
Offenders will also be reported to the police.
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Park visitors must leave an address upon entry, making it easy for rangers to find them if they leave trash behind.
Minister of Environmental Protection Varavut Silpa-arka announced on Facebook photos of garbage collected in cardboard boxes, ready to be sent.
"You throw garbage - we will return it to you," warns in the announcement and reminds that leaving garbage in the national park is a crime punishable by up to five years in prison, with a heavy fine.
In addition to empty plastic bottles, cans and bags of crisps, the box pictured on Facebook contains a polite message: "You forgot these things in Kao Jai National Park."
Park officials warn that trash left behind can be especially dangerous to animals that may try to eat it.
Kao Jai National Park is located northeast of Bangkok, the capital of Thailand. It covers more than 2.000 square kilometers and is very popular among hikers.
It is the oldest national park in Thailand, famous for its waterfalls, animals and beautiful scenery.
Tiridescent lakeo tucked away in a cove between almost bare hills:
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