Transcript for Haunting, beautiful installation at the Tower of London marks end of WWI

The fiscal rule yeah period of great darkness really wants to bring line. Final must nice meeting is that we have a team of volunteers AT people who come in and they individually stop lights and they scandals to get temporary. And in their acts of commemoration. So this home planet is he a team high nine nations and to create this well let me look and went almost mamiya. Surrounded and amassed by the night. We marched outside and you remove their route Guam. Launched at scorch marks down into the mice hands places tourists in the middle of the lighting mounds. I wish points our guests lights this speech so that solutions and live from that single launch flame. And starts at the licensing for a sex. The real tingle down my spine actually marching out tonight's. A. We the top London this is a fortress. And but the DC did something about great artistic ideas as if he's gonna save and then try your best team. Logistically and taxi to realize them to get something like this which assassin constraints on. Plain and so much information to assist hateful piece below and sound front junk. Few students and we know in the maintenance in the world and so new places that he. And in essence have people coming together. In shambles. Then give audiences an option concert in.

This transcript has been automatically generated and may not be 100% accurate.