But this man must have been particularly devastated after his four-year-old son decided to show off his artistic talents on his passport!
Mr Chen was left stuck in South Korea after border control officials refused to let him board a plane home because his picture was unrecognisable.
The poor man was left resorting to the Chinese version of Twitter for help after the incident occurred.
But it was still four days before the matter was resolved and he was allowed to return home.
We bet someone ended up on the naughty step!
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