Switzerland January 7, 2021 6:38 pm SOUND ON: Listen to This Swiss Lake ‘Sing' The cracks of a frozen lake in Switzerland produce noises that sound like singing. Local 14:23 NYPD arrests around 100 protesters at Columbia University 29:11 NYPD moves in on protesters at Columbia University making dozens of arrests 1:45 NYPD enters Columbia University in riot gear to clear protest 1:14 El Minuto 4/30 Spanish Edition 1:02 El Minuto 4/30 English Edition