Martvili canyon

It is simply stunning in its beauty and unusual place is situated in the region of Samegrelo. Over millions of years, water has come into the cliffs of limestone breathtaking gorge reaches a depth of 40 meters, the bottom of which actually is a river. You can start a boat trip and reach 7 m powerful waterfall. Due to the extremely humid microclimate with huge rocks hanging vines and the walls are covered with centuries-old moss. Here and there, pulled out of the walls of the flow of water, forming small streams and quite powerful waterfalls. But then begins miracle: the earth opened up and from a height of about 20 meters of water falling into the abyss of the river...

ICHO-2016 PROBLEMS

 
Theoretical problems (official version, PDF)
Experimental problems (official version, PDF)