Drogba took his time to warm up in the first half but wasted little timein making an impact after the break, setting up Kalou with a neat pass only for his Ivorian team-mate to shoot straight at Jaaskelainen.
"The stalactites and stalagmites from these caves are a way of looking back intime to see how warm periods similar to our modern climate affect how far permafrost extends across Siberia, " said Dr Anton Vaks from the University of Oxford.