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overnor Basuki '€œAhok'€ Tjahaja Purnama has expressed concern over investors in a deep-tunnel project, claiming they have been unable to answer his questions.

PT Antaredja Mulia Jaya and water expert Firdaus Ali have offered to develop deep tunnels in the city, claiming that this was an '€œinnovative way to reduce flooding'€. Antaredja claimed that they would be ready to kick off the construction of the big project this year.

'€œI just need them to answer my question: Where will the water go? Neither of them can answer this question, so of course I'€™m doubtful,'€ Ahok said at City Hall on Tuesday.

Generally, deep tunnels consist of two levels, with one level functioning as a road and the other as a wastewater reservoir. Ahok said that he was confused as to where the water would go.

'€œIt'€™s too big a risk. They need to conduct a thorough feasibility study if they are serious about developing the project,'€ he said.