SOUNDINGS: JOURNEYS IN THE COMPANY OF WHALES

From the lagoons of Mexico to Arctic glaciers, grey whale mothers are swimming with their calves, past predatory orcas, through a warming sea. For ten thousand miles, they endure one of the longest mammalian migrations on the planet. Following them, by bus, train and ferry, are Doreen Cunningham and her young son Max, in pursuit of a wild hope: that their family of two can make it by themselves.