People watch a sound and light show at the Royal Palace in Brussels, Belgium, on Oct. 28, 2021. The ten-day event Bright Brussels, the festival of lights in Brussels, started on Thursday. (Photo: Xinhua)
People are seen in the light installation The Wave in Brussels, Belgium, on Oct. 28, 2021. The ten-day event Bright Brussels, the festival of lights in Brussels, started on Thursday. (Photo: Xinhua)
People watch a sound and light show in Brussels, Belgium, on Oct. 28, 2021. The ten-day event Bright Brussels, the festival of lights in Brussels, started on Thursday. (Photo: Xinhua)
People walk through the light installation The Wave in Brussels, Belgium, on Oct. 28, 2021. The ten-day event Bright Brussels, the festival of lights in Brussels, started on Thursday. (Photo: Xinhua)
People watch a light installation in Brussels, Belgium, on Oct. 28, 2021. The ten-day event Bright Brussels, the festival of lights in Brussels, started on Thursday. (Photo: Xinhua)
People watch the light installation Persistence of Times in Brussels, Belgium, on Oct. 28, 2021. The ten-day event Bright Brussels, the festival of lights in Brussels, started on Thursday. (Photo: Xinhua)
