Final answer:
The Russian presence in London involves investment in real estate and businesses due to Russia's economic growth, as well as integration into local communities and participation in cultural events. However, there may be varying levels of economic engagement among the Russian community in London.
Step-by-step explanation:
The question pertains to the Russian presence in London, which can be multifaceted. Historically, since the shift to capitalism after the collapse of the Soviet Union, Russia has leveraged its vast natural resources to bolster its economy.
As for the integration into local communities, there is a expatriate community in the city, with Russians participating in local events and contributing to the multicultural mosaic of London. Cultural participation is also evident as Russian festivals, art, and music are parts of London's cultural scene.