Olympic stadium and the worst postcard ever

Yesterday I rode out to the western part of the city to meet with conversation partner #3 (Klaus) for the second time. He lives in a very different neighborhood than the ones I've been in so far - a little more spacious, greener, and upper-middle-class-ish. It's very near the Olympic Stadium, which we walked over to. Here's the entrance gate:

Kind of imposing. It's used for soccer now, but you can also take a history-oriented tour.

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On a different note: my bank here sent me some sort of "thanks for opening an account with us" package. It had a nice map of the city (showing buslines, UBahn, SBahn and bank locations), a guide to internet banking that seems to be mostly a 'how to use the internet' guide, and... some postcards. Nice, no? Except that the postcards are pretty weak. Totally uninteresting. Here's the worst of the bunch:

I guess this is a view from Potsdamer Platz, but it has to be the least interesting view possible. It confirms that the sky is sometimes gray here, and that some buildings are tall and boring. A close-up picture of the sidewalk would have been better.