In the heart of Virunga National Park, in eastern Democratic Republic of Congo, nature has bestowed an event as rare as it is precious: the birth of twin mountain gorillas.

You don't need big words, complicated figures or spectacular documentaries to explain respect for nature.

With the arrival of winter, balconies and gardens fill up with bird feeders. It's a spontaneous and often affectionate gesture, born out of a desire to help chickadees, robins and sparrows get through the colder months.