Vienna is the capital of Austria. It is one of the most beautiful cities in Europe. In Vienna you can admire the imperial architecture, and visit the places that influenced some of the most famous classical musicians: Mozart, Beethoven, Schubert, Strauss, Brahms, etc.
Yes some women have found that when they are pregnant their urine becomes darker and can smell stronger than usual. There a few potential causes of this. Pregnant women tend to have a greater sense of smell and taste so if they may be able to better smell their own urine, even though it actually hasn't changed.
It is also possible that the leaking you are experiencing is urine; the large pressure on the bladder during pregnancy can easily lead to an accident if you make the wrong movement. You can tell that the leaking is indeed amniotic fluid if it is odorless and significantly soaks your undergarments.