yürürken

yürürken

"While walking."

Here, 'yürürken' conveys the action of walking in the park during which birds can be seen.

Parkta yürürken kuşları sık sık görebilirsiniz.

You can often see birds in the park while walking.

In this case, 'yürürken' emphasizes the proactive care one should take during the act of walking on the road surface.

Yolda yürürken dikkatli olmalısın.

You should be careful while walking on the road.

Here, 'yürürken' signifies the concurrent activity of thinking and walking when encountering the stone.

Gitar çalmayı düşünürken yürürken önüme taş çıktı.

While thinking about playing guitar during walking, a stone appeared in front of me.