Estuary Blast: they always enjoyed a fierce battle

Kitesurfers and windsurfers from New Zealand are invited to take part in a fierce challenge.

They are going to battle each other in the "Estuary Blast 2010", to be held in the Christchurch Estuary, New Zealand.

The event wil be brought by the Canterbury Windsports Association and Sport Canterbury.

All wind riders will take on a course racing competition, between 18th-19th December.

Who will win this classic wind sailing battle?