Hot water tradition in Chinese restaurants

In lecture halls once defined by PowerPoint slides and exam prep, a different kind of competition is unfolding. At several Chinese universities, the most sought-after electives are no longer traditional academic offerings, but hands-on courses in cooking, woodworking, beadwork, and car maintenance. / Is cucumber water the newest restaurant flex (16:14)? On the show: Niu Honglin, Steve & Yushun.