As a giant excavator swallowed its way closer, hundreds of police, unfazed by the pyrotechnics propelled at them, dragged protesters from their stations.
A law enforcement official said the devices were made with a 1-inch-by-6-inch length of PVC pipe filled with suspected pyrotechnic powder and broken glass to serve as shrapnel.
The two owners, and two members of the band whose pyrotechnics started the blaze, have been arrested (one of the owners is in hospital after trying to commit suicide).
They span from Lac Long Quan Flower Garden to Van Quan Lake, but the biggest and brightest of these pyrotechnic displays is always at the central Hoan Kiem Lake.
从 Lac Long Quan 花园到 Van Quan 湖都有烟火,但这些烟火中最盛大闪亮的总是剑湖中心。
Lasguns would knock them down, but lasguns were expensive and notoriously cranky of maintenance—and there was always the peril of explosive pyrotechnics if the laser beam intersected a hot shield.
It took dozens of experts climbers about a month to set it all up, and it's the latest in the series of projects from Group F, a company that specializes in pyrotechnic displays.