Westminster Bridge is a cool green bridge in London that connects Westminster to Lambeth over the River Thames. It's like the fancy leather seats in the House of Commons, while Lambeth Bridge is more like the House of Lords with its red color. The bridge got a makeover in 2005-2007, and it's a Grade II* listed structure. Plus, it's the finish line for the London Marathon. So, if you're ever strolling along the Thames, don't forget to check out this iconic bridge!