Total internal reflection at Blackpool Illuminations

This fountain at the Theatre d'Amour was interesting. As the water fires upwards, it also sprays out sideways. It is lit from below at the single point from which the water diverges. Yet the light follows the water as the water curves. This is particularly evident on the left hand side of the spray. Light goes in a straight line and yet it can curve by zig-zagging due to total internal reflection.