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He also pointed out that a landing on ice could be affected by many environmental factors, including the thickness of ice and snow in the landing area.
"Surely I will tell the students about our cooperation on this matter when I visit your hometown," Medvedev said, adding that he will also tell the students of the cooperation between the disaster-relief agencies of the two countries.

"China advocates resolving territorial and maritime disputes through dialogue and negotiation. Meanwhile, we will never allow any country to infringe upon China's territorial sovereignty," Hong said.
BEIJING, Nov. 19 (Xinhua) -- Chinese Vice Premier Wang Yang said at a meeting on Tuesday that China will speed up construction of a modern market system.
The 78 Chinese nationals were arrested by the Bureau of Immigration of the Philippines on Wednesday afternoon in two shopping malls in Manila.
来源:资阳报