What exhibitions are worth seeing in Hangzhou?

3D technology fashion exhibition, where you can see many historic moments about 3D printing: the world's first 3D printed clothing, the world's first 4D printed clothing, the world's first 3D printed wedding dress, the world's first 3D printed cake, the first 3D printed furniture in China, and the first 3D titanium alloy printed jewelry series in China ... The exhibits are quite interesting, and people who like technology and art can come and have a look.