Three strategic landfills in Hong Kong will be saturated by 2020."Hong Kong is facing a landfill-saturation issue and its potential extension to the urban areas. In an attempt of response, the Hong Kong government has established three waste-to-energy facilities in Hong Kong since 2013. But this is not enough to solve the problem. The problem stems from the landfill logic itself that is, like a burial post, burying waste under the ground for an indefinite time, without thinking about what’s next.Rethinking the countermeasures implemented by the government may be a hint of what tomorrow can propose and achieve. Could waste be transformed into useful resources under the promotion of futuristic visions and technologies? What if the landfills no longer bury the waste but swallow it, sorting it for storage and potential re-use? What if the landfill “eats itself” in the very end?"Landfill Overflow ? OVERHAUL !" is a project rethinking the future landfill system through radical “underground” infrastructural design. Beyond structural exploration aiming at the creation of a “digestive system”, it provides spaces for different facilities, such as incineration and power generation, factories and laboratories, etc…