An indoor potted cactus with a large white flower is positioned on a windowsill in Hamburg, Germany

An indoor potted cactus with a large white flower is positioned on a windowsill in Hamburg, Germany. The cactus is in a brown pot and has several ribbed stems covered in small spines. The white flower, which is in full bloom, has delicate, elongated petals and yellow stamens. Through the window, a blurry outdoor scene is visible. It appears to be a street or residential area with some trees and parked cars. The lighting suggests it is daytime, possibly overcast. To the left of the potted cactus, a black object with a wooden base is partially visible. It resembles a hole punch or similar office supply. The windowsill itself is a light-colored, possibly stone or laminate surface, showing some minor discoloration or wear. The overall composition suggests a domestic setting, likely an apartment or house.