People take part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
A man takes part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
People take part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
People take part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
A girl takes part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
People take part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
A girl takes part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
People take part in a Halloween parade in Brussels, Belgium, Oct. 31, 2018. (Xinhua/Zheng Huansong)
People attend a Halloween celebration in Khao San Road in Bangkok, Thailand, Oct. 31, 2018. (Xinhua/Zhang Keren)
