The five major ocean gyres. A gyre in oceanography is any large system of circulating ocean currents, particularly those involved with large wind movements. Gyres are caused by the Coriolis effect; planetary vorticity along with horizontal and vertical friction, determine the circulation patterns from the wind curl (torque).
Velogames Fantasy Cycling has been providing fantasy cycling contests since 1997. The centrepiece event is the Velogames Fantasy Tour de France, which attracted almost 40,000 teams in 2015.
Running from Saturday July 4th to Sunday July 26th 2015, the 102th Tour de France will be made up of 21 stages and will cover a total distance of 3,360 kilometres. 1  9 flat stages. 2  3 hilly stages. 3  7 mountain stages including 5 summit finishes.  1 individual time 1  trial. 1 team time trial.  2 rest days.