Arc de triomphe.

WATCH: Arc de Triomphe lit up pink to raise breast cancer awareness

Paris's iconic Eiffel Tower and Arc de Triomphe were lit up in pink hues on Sunday night to mark the start of Breast Cancer Awareness Month. 

Paris's iconic Eiffel Tower and Arc de Triomphe were lit up in pink hues on Sunday night to mark the start of Breast Cancer Awareness Month. 

With 60,000 new cases each year in France, breast cancer remains the most common cancer that women develop.

If detected at an early stage, however, some nine in 10 women recover fully within five years.