The architectural style of this covered walkway, with its polished stone pillars and modern glass facade, suggests a major metropolitan business district. The lighting and the specific design of the metal fencing are characteristic of high-security urban areas in the UK. I suspect this is in central London, possibly near a financial hub or a government building. I am moderately sure of this location.

then: forward

The polished stone, recessed lighting, and sleek metal ventilation grilles are highly characteristic of high-end commercial architecture in London. Through the opening, the blue-toned glass facade of a skyscraper is visible, typical of the City of London financial district. The specific texture of the stone and the clean, modern aesthetic point toward a premium office development near the Thames. I am quite confident this is in the City of London, UK.

then: guess