The large foreign presence in London
There are vast numbers of blacks and south Asians in London. south Asian Indians even held a pop music concert right smack in the middle of Tralfagar Square, the symbolic seat of cultural power in London. Many tourists at the National Gallery including myself paused and gawked. i overheard one tourist scoff that the south asians have transplanted Bollywood to London. There is no denial that South Asians have celebrated their presence in a loud way in London.
There are also many migrant workers from poorer parts of Europe whose mother tongue is not English, and they work in retail service and construction.
And vast numbers of tourists too. They flood the capital's streets and are simply everywhere. There are more angmoh tourists than Asians, and a lot of them look Eurotrashy. They talk loudly, laugh even louder, act brash and wear gaudy fashion.