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OSINTDojo - Student challenge

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By Michael van Splunter
3 min read

For the OSINTDojo student rank I need to make a write up from an OSINT quiz I found on the internet. Because I need to do two quizes, I made this write up for both. The first quiz I used the following tweet from Julia Bayer.

Steps

  • First I used Google Lens and uploaded the picture to see if Google would find any matches which look like churches in this picture.
  • I also noticed an interesting building with a funny roof in the background.
  • Google came back with pictures which in the first row were pictures of a Cathedral in Cologne.
  • This Cathedral in Cologne looked the same as the one in the picture.
  • Then I went looking on Google Maps, especially with street view and found the building with the funny roof was actually the Ludwig Museum.
  • So I knew this was the right Cathedral.
  • Then I used Google to find out were you could actually walk to in meters.
  • I Googled for “cologne cathedral walking meters” and found this site: https://www.cologne-tourism.com/arts-culture/sights/cologne-cathedral/tower-climb
  • I could see that you could actually walk to 97 meters.
  • Then I found this picture on Google Maps: https://maps.app.goo.gl/BDJby8dHmujWF6db8

  • On the right side you can actually see the two windows in the picture from the side.
  • If you create an imaginary line from the the main tower to the windows from the quiz picture, it looks like it goes to the second floor of the main tower.
  • The Cathedral itself is 157 meters (https://en.wikipedia.org/wiki/Cologne_Cathedral) on the highest point and it looks like the floors are all the same height.
  • In the picture from Google Maps it looks like the main tower is 4 parts with windows and the last part of the tower roof, which looks like the same height as the other parts.
  • You could say the photographer was at a height between 80 and 97 meters if you count the parts, and guessing that you have to walk to the latest floor to get a view, he/she would be at 97 meters, because a lower floor would not provide you with this shot.
  • Then you would be to low.

For the second quiz I used a tweet from Julia Bayer again.

Steps

  • For this quiz I also used Google Lens the picture.
  • In the first row of results I found a picture of a building which looked much like the building I was looking for.
  • I found this url: https://www.transartists.org/en/air/savvy-contemporary-residency
  • On the bottom of the page I found an adress, which I could check in Google Maps.
  • Richardstraße 43/44, but in street view I did not find my building.
  • Then again I used Google Lens, but this time on a smaller part without the top.
  • This time I got the same building in the first row agaian, but a different website.
  • The url was: https://commons.wikimedia.org/wiki/File:09090448_Richardstra%C3%9Fe_20.jpg
  • The adres in the title of the image is Richardstraße 20, which I looked for on Google Maps.
  • When going into street view, I directly found the place were the picture was taken from.
  • Richardstraße 20
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