Help I can't reverse image search this picture 3!!! (Walkthrough)

Reverse searching nowadays is very powerful. Many people use praise Yandex and Google reverse image searching, however some don't realise that manipulating the area of search can yield more accurate results. 

Let's use this image as an example 

(Image found here https://www.osint4fun.eu/challenges/gnosint-project/)

If I try and reverse image search using Google without adjusting the area of search, I won't find anything helpful.

(I can't find the location like this)

Let's analyse the image a little; if we zoom in to the upper left corner, we find a sign on top a building.

If we adjust the area of search to only include the upper left corner of the image like this:

We'll yield results that can help us find the location of Gnosint. Using the given image, we see that Gnosint is across the Munch Museum, located Oslo, Norway. Across the Munch Museum and the Oslo Opera House which is the white slanted building is...

 Langkaia