Cyanotype craft is a classical photographic process, which doesn't require complicated work. As a matter of fact, using only creativity and imagination as the blueprint, coupled with sunlight, air and a little harmless potion, it can create unique works of art using light and shadow. Thus, on 16th December, the science teachers of the Primary School Division organized the fifth grade students to attend the 'Spring Cup' science activity--cyanotype craft skills display.