do you remember the man named spider-man? that was his nickname after he scaled a building to save a child. a 22-year-old migrant, he climbed four stories to rescue a 4-year-old boy dangling from a balcony. this happened back in may. just look at that. watch him get up there. it's amazing. now we understand mamadou gassama has started a new job. he's a member of the paris fire brigade. in addition to wing a position as a firefighting recruit, he is now a french citizen. and just take a look at that. as he gets up there and he saves that 4-year-old boy. wow. russia's defeat of spain at the world cup has surprised many football fans around the world including some of their own fans. cnn's fred pleitgen has reaction from moscow for us. >> reporter: moscow is in a frenzy after russia pulled off an unlikely victory against one of the best teams in the world against spain. and just to show you how crazy the situation is here in the russian capital this is actually one of the main thoroughfares through the russian capital,