1. Cheongho Nice has announced a dance challenge called 'Free Dance Challenge' to celebrate the launch of its new ice purifier, IceTree Pli. 2. Participants are encouraged to create and upload dance videos on their personal SNS, showcasing the refreshing and cool features of IceTree Pli, set to the song 'IceTree Pli Song'. 3. The event runs until August 19th, with prizes including an IceTree Pli purifier and eco-friendly picnic mats for winners.