The image displays a modern padel tennis club situated against the historic brick walls of the Belgrade Fortress (Kalemegdan Park) in Belgrade, Serbia

The image displays a modern padel tennis club situated against the historic brick walls of the Belgrade Fortress (Kalemegdan Park) in Belgrade, Serbia. In the foreground and midground, two regulation-sized padel courts with bright blue playing surfaces and white lines are visible. Each court is enclosed by black mesh fencing and transparent panels, with a white net stretched across its center. Multiple black floodlight poles equipped with several light fixtures are positioned around the courts, indicating readiness for night play. In the background, a massive, reddish-brown brick fortress wall rises prominently. An ancient arched stone gateway, dark within, is visible on the left side of the wall. Above and to the left of this archway, a wooden bridge-like structure extends. The top of the fortress wall is covered with sparse grass, from which several deciduous trees with bare branches emerge, along with one tree displaying green foliage on the far left. The sky overhead is overcast and light grey. A few dark-colored chairs and small tables are arranged on the concrete pathways adjacent to the courts, suggesting a spectator or resting area. There are no individuals present on the courts or in the surrounding area.