Médecins Sans Frontières’ search and rescue boat patrols the central Mediterranean to help migrants who get into distress at sea trying to cross to Europe. Emma Hogan, our Europe correspondent, spent five days on board<br /><br />Click here to subscribe to The Economist on YouTube: http://econ.trib.al/rWl91R7<br /><br />Daily Watch: mind-stretching short films every day of the working week.<br /><br />"For more from Economist Films visit: http://films.economist.com/ <br />Check out The Economist’s full video catalogue: http://econ.st/20IehQk <br />Like The Economist on Facebook: https://www.facebook.com/TheEconomist/ <br />Follow The Economist on Twitter: https://twitter.com/theeconomist <br />Follow us on Instagram: https://www.instagram.com/theeconomist/ <br />Follow us on LINE: http://econ.st/1WXkOo6 <br />Follow us on Medium: https://medium.com/@the_economist