This photo taken on Nov. 5, 2025 shows an interior view of the "Willow Temple" in Warsaw, Poland. The "Willow Temple" is an artistic installation made from a hollow, withered willow tree, transformed with stained glass, metal and wooden elements into a chapel-like space that blends nature and art. (Photo by Jaap Arriens/Xinhua)

A visitor takes photos of the "Willow Temple" in Warsaw, Poland, on Nov. 5, 2025. The "Willow Temple" is an artistic installation made from a hollow, withered willow tree, transformed with stained glass, metal and wooden elements into a chapel-like space that blends nature and art. (Photo by Jaap Arriens/Xinhua)

This photo taken on Nov. 5, 2025 shows an interior view of the "Willow Temple" in Warsaw, Poland. The "Willow Temple" is an artistic installation made from a hollow, withered willow tree, transformed with stained glass, metal and wooden elements into a chapel-like space that blends nature and art. (Photo by Jaap Arriens/Xinhua)

A visitor looks inside the "Willow Temple" in Warsaw, Poland, on Nov. 5, 2025. The "Willow Temple" is an artistic installation made from a hollow, withered willow tree, transformed with stained glass, metal and wooden elements into a chapel-like space that blends nature and art. (Photo by Jaap Arriens/Xinhua)

This photo taken on Nov. 5, 2025 shows a close-up of the stained glass on the "Willow Temple" in Warsaw, Poland. The "Willow Temple" is an artistic installation made from a hollow, withered willow tree, transformed with stained glass, metal and wooden elements into a chapel-like space that blends nature and art. (Photo by Jaap Arriens/Xinhua)

A visitor takes photos of the "Willow Temple" in Warsaw, Poland, on Nov. 5, 2025. The "Willow Temple" is an artistic installation made from a hollow, withered willow tree, transformed with stained glass, metal and wooden elements into a chapel-like space that blends nature and art. (Photo by Jaap Arriens/Xinhua)

This photo taken on Nov. 5, 2025 shows a close-up of the stained glass on the "Willow Temple" in Warsaw, Poland. The "Willow Temple" is an artistic installation made from a hollow, withered willow tree, transformed with stained glass, metal and wooden elements into a chapel-like space that blends nature and art. (Photo by Jaap Arriens/Xinhua)