When we had completely descended the trail during our hike in the Vitosha Mountains (look here at my other photos from our hike) in Sofia, Bulgaria, we came to this lake. While the water looked brown, it still was a pretty view with the trees lining the edge of the lake. The reflection of the trees is what caught my attention when we first came to it.
I was told that people often come to this lake to have a picnic or just hang out. It is a nice and quiet place, away from the hustle and bustle of the city. Since the Vitosha Mountains are so close to Sofia, it's very easy to make a day trip without any fuss.