110 Defender Hardtop Windows (the large ones) ROW only? CPB500840/LR044315

These windows are curious to me. I don't think i've ever seen them on a UK spec vehicle. Are they ROW only? Do you know?

Diagram: https://www.lrworkshop.com/diagrams/land-rover-defender-body-chassis/body/side-window-sliding_52759

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Видео 110 Defender Hardtop Windows (the large ones) ROW only? CPB500840/LR044315 канала LR Workshop & Expedition