In a recent thesis I reviewed, the author had included the following poem as a quote—in connection with the Klondike Gold Rush, when miners kept a live sourdough starter in a tin box—:
There where the mighty mountains bare their fangs unto the moon,
There where the sullen sun-dogs glare in the snow-bright, bitter noon,
And the glacier-glutted streams sweep down at the clarion call of June.
There where the livid tundras keep their tryst with the tranquil snows;
There where the silences are spawned, and the light of hell-fire flows
Into the bowl of the midnight sky, violet, amber, and rose.
There where the rapids churn and roar, and the ice-floes bellowing run;
Where the tortured, twisted rivers of blood rush to the setting sun…
The Heart of the Sourdough (1907)
by Robert W. Service
A chance occurrence of a 

which made the selected photographs from three artists highly pertinent, with three highly different artists, Juliette Agnel, Nicolas Derné, Xuebing Du, whose Martinique nature landscape renderings suited very well
with the additional perk of a two-hour presentation by the exhibit commissioner, Colette Césaire, a charismatic speaker and (not so incidentally) the grand-daughter of the national 
O forêt de l’Argonne ! hélas ! je t’ai connue