They will sell it off cheaply. The beneficiaries will then sell it quickly for a profit at the right price. If people start building work on the land, then all this has to be factored into the repurchase price. It will mean court battles for each piece of land where there is dispute over the price. You will need very single piece of land to make the purchase viable. It is not like you skip a housing lot or two and just build a bridge over it.