Sailing in the mountains and along the Dutch coast

Attention for the sailplane sport, where people make short flights hanging on a delta-shaped kite. SHOTS: - (b/w) wind measurement on mountain in Poland; Polish kite takes off from mountain and makes flight; landing of a number of kites in a 'rose' drawn on the ground; - (color) strong wind near dunes; kite Alex Engel takes off in strong coastal wind, flies back and forth along the beach and demon…