在杯子的表层用上温变油墨(热敏油墨)。
当热水倒入时，上面的图案慢慢发生变化。
你会看到冰山融化，海平面上升的情景。

点击查看1200*841大图

The external surface of the cup is printed with a second layer of heat sensitive ink that is revealed when hot water is poured into the cup.

Advertising Agency: Dentsu, BeiJing, China
Art Director / Copywriter: Danny TangShouBin
Via: adsoftheworld

延伸阅读：
“体验臭氧空洞”易拉罐
NRDC: 慢慢燃尽的火柴