Contestants from 36 countries are taking part in the three-day competition with judges looking at the difficulty of the moves and artistic performance.
You will begin by jumping or walking in the water, using the resistance to increase the difficulty of the moves.
Given the difficulty of this move, try it at a slow pace at first until you get the hang of it.
There are only a few different moves, but the difficulty of the game increases as you move on to more and more intense tracks.
Thomas Mayer, a senior economist with the Goldman Sachs Group in Frankfurt, said the move vividly demonstrated the difficulty of the European Central Bank's governors in reaching agreement.
The dust-up underscored the difficulty of any move to overhaul the tax code: Those who have an existing benefit tend to value it more — and be more vocal — than the future beneficiaries of a political promise.
The advantage of the Solid-by-Solid model is that complex three-dimensional shape evolution accompanying void formation (from point defects to macro voids) can be simulated without the difficulty of treating moving boundaries.
Turkey has repeatedly fired back at IS positions under its rules of engagement, but has said it needs greater support from Western allies, citing the difficulty of hitting moving targets with howitzers.
Eye movements can prevent retinal blur [54] by tracking a moving target and compensating for the difficulty of moving the head during an attack flight [55].
On the positive side, the difficulty of moving dislocations makes quasicrystals extremely hard.
