Since March, 14 deer have died in Nara Park, western Japan. Nine of them died after consuming plastic bags, according to a local group for wildlife conservation. /VCG Photo

Nara, a popular spot for tourists, is home to over 1,200 free-roaming deer. Visitors are allowed to feed them specially-made sugar-free biscuits without plastic packaging. /VCG Photo

Tourists often litter food wrappers and plastic bags on the island, the deer then smell the bags, and eat them thinking they are food. Over four kilograms of rubbish was found in the stomach of a dead deer. /VCG Photo

Tourism in Japan has been booming. In 2018, 31 million people visited the country. Local authorities have issued a warning to visitors, urging them not to feed those animal. /VCG Photo