The naturalization of Karang Bolong River plaster, Ancol Sub-district, Pademangan, North Jakarta, along 600 meters is being accelerated. The progress has reached 60 percent since its first start in August ago.

Head Section of Maintenance of North Jakarta Sub-Dept. of Water Resource (SDA), Frans Siahaan, said the foundation is built by 3.5 meters height. Used tires are used as dike at the top of it.

"We plant Lee Kwan Yew in the inside of those tires," he said, Tuesday (9/17).

Planter box will be also attached on the south side of the road along 600 meters and 30 centimeters of width.

According to him, his side also provides vertical garden at the foundation.

"Our target is to complete in October. Now it reaches 60 percent," he added.