As urban exploration has been drawn ever more into the public spotlight, there has been a growing pressure for each video to be more amazing, more jaw dropping than the last. This competition to be the best has led to the most extreme urban explorers going further and further to make their videos stand out. Oleg and Abudi are in Dubai - one of the most challenging locations to explore on the planet. The pair are hoping to scale the tallest residential building in the world. But they have very different approaches and Oleg seems determined to make a name for himself... Meanwhile, Vidam and Vitaliy are planning a trip to an huge Soviet-era ceremonial building, which lies crumbling and abandoned on a remote mountain in Bulgaria. But just going there isn't enough - to truly make their video stand out, they plan to hang a giant 25m square banner from the top. And getting in isn't as straight forward as they first thought...