There are no people and plants in the scene !!!
Turbosmooth is not collapsed, without it, there are only 1376 polygons in the scene
Pivot point is set so that it is convenient to rotate the benches relative to the flower bed
Straight dimensions Depth 335 mm Length 2660 mm Height 540 mm
With turbosmooth 2 iterations Polygons 43968 Verts 22365