This image depicts an indoor martial arts or fitness gym located in Rotterdam, Netherlands

This image depicts an indoor martial arts or fitness gym located in Rotterdam, Netherlands. The floor is covered predominantly with blue interlocking foam mats, with a smaller section of red mats visible towards the left. A wooden floor borders the mat area in the bottom right corner. Seven individuals, primarily adult males, are present. In the central foreground, a barefoot male, wearing an orange short-sleeved t-shirt and olive green shorts, stands holding a dark water bottle in his left hand. To his immediate right, a second barefoot male in a black long-sleeved top and black shorts is partially visible, standing on the mat. To the left, a third male, dressed in a black t-shirt with a white circular logo on the back, is seen crouching barefoot on the mat, facing away from the camera. Additional individuals are visible in the background, either seated or resting on the mats. The left wall features large mirrors, reflecting more occupants and stationary exercise bikes, suggesting a multi-purpose fitness facility. Two upright, freestanding foam panels, one red and one black, are positioned in the mid-background. On the wooden floor, several pairs of shoes are arranged, including two pairs of dark athletic sneakers and two pairs of white flip-flops, one of which displays "SAO PAULO" text. The room is brightly lit.