I'm going to Rotterdam for an Ingress event at the end of May. This event expects somewhere between 2000 and 4000 people from all over the world, but mostly central Europe. Because of recent terror events and because there are also a lot of other events in the city that day, the metropolitan police agreed on a code of conduct with the local organizers of the Ingress event. Besides a few others, the rules include:

  • No alcohol in the streets within the city center
  • No leaning against buildings or shouting across the street.

Why would leaning against buildings be a problem for the police? Is this to protect residents from being bothered by tourists, or has it maybe got to do with old buildings?

The police has also received screenshots of the Ingress mobile phone application and we were told to show our phones on request so they can distinguish us from groups of party-goers.

  • 5
    Because builinds in Rotterdam would fall over if 2000 people leaned on them at once? More seriously, I suspect they want to reduce "loitering"
    – CMaster
    May 20, 2016 at 8:21
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    I'm voting to close this question as off-topic because it's about Dutch laws.
    – JonathanReez
    May 20, 2016 at 8:24
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    @JonathanReez I tried finding references that this is actually a law, but it seems to be temporary for that weekend, which makes it relevant to travelers that go to those events. Imagine everyone being arrested for leaning against a building in one of the biggest ports in the world all the time.
    – simbabque
    May 20, 2016 at 8:27
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    "Why X is a law" is only relevant to this site if "X" is a travel-related law. However you can change your question to "Is it true that I can't lean against buildings?".
    – JonathanReez
    May 20, 2016 at 8:28
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    @Jonathan how would that edit make it more on-topic? I can see that my current wording leaves room for a lot of speculation, but your suggestion would just make it a "who does the most reasearch" question I believe.
    – simbabque
    May 20, 2016 at 8:29

1 Answer 1


I have done an internet search in Dutch, I did not find the 'do not lean against buildings' for Rotterdam, nor in general neither for this one event.

In the Netherlands it is quite common for cities to have special rules 'with status of law' for special events. The Ingress event is quite big and the city officials will likely not want it to get out of hand.

I do not expect them to arrest people who lean against the buildings, but they might have police or security crews in the streets and ask people to move on if the crowds seem to be overwhelming for the street or blocking the normal activities for the street (like shopping).

  • 1
    Moving along people playing an Ingress anomaly cluster is not going to make them very popular with the crowd. We tend to stand around in huge groups at exactly one spot for ten minutes at those events. Luckily, most of them are peaceful nerds.
    – simbabque
    May 20, 2016 at 15:57
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    10 minutes is not going to be a problem, specially not if the police/security know what to expect. But having huge groups leaning against windows (shop fronts) might have risks, which is why they might have included that rule.
    – Willeke
    May 20, 2016 at 15:59
  • That makes a lot of sense. Thank you for researching.
    – simbabque
    May 20, 2016 at 16:00

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