CLEAN : French yachtsman hails miracle rescue

The transcript describes a situation where individuals express gratitude for the efforts of the navy and aviation in a rescue operation. Despite facing challenges like lack of communication, water, and food, the first contact with an aircraft brings hope. The presence of a beacon and the fortunate timing of a ship's return from Antarctica are seen as miraculous. The rescuers provide specific guidance using light and smoke signals, leading to a successful rescue, although the beacon was difficult to spot initially.

What does the speaker mean by saying 'C'est contradictoire mais on croit toujours à la vie tant que la vie est là'?

Describe the significance of the beacon mentioned by the speaker.