“Let’s go,” I said, “I’ve had enough of this ridiculous Catholic tourist trap”.

I spoke rather too loudly, clearly upsetting many of the faithful who were visiting this French holy site of pilgrimage.

I back-tracked in admitting that it was an impressive display. You couldn’t deny the wonder of a series of deep caves festooned with religious icons and illuminated with candles like an underground cathedral. However, this was not my cup of tea at all.