In WoT Blitz, these banners were added on the “Port” map in the last patch. Advertisement or easter-egg? The answer is obvious…
https://pp.vk.me/c543103/v543103938/14673/HsqBrYmkPL8.jpg
https://pp.vk.me/c543103/v543103938/1466a/pgBRAer77wY.jpg
https://pp.vk.me/c543103/v543103938/1468c/1gwAb-_JJww.jpg
