It takes around 30 minutes and is a very pleasant strollthankstothecoolbreezesthatcomeoffthesea.
The cool sea breeze makes the 30-minute stroll very enjoyable. 
mnli hypothesis: The cool sea breeze makes the 30-minute stroll very enjoyable.  premise: It takes around 30 minutes and is a very pleasant strollthankstothecoolbreezesthatcomeoffthesea.