Papua New Guinea's prime minister has officiated over more groundbreaking ceremonies for major infrastructure projects in the country.
Peter O'Neill has been touring a number of centres in the regions of Highlands and Momase this week.
In his latest stops in Momase towns of Madang, Wewak and Vanimo, Mr O'Neill announced upgrades to their respective airports.
The upgrades are to be carried out with funding from the Asian Development Bank.
Earlier, Mr O'Neill visited his home province of Southern Highlands whose main airport has been largely unused by airlines since unrest last year.
In June, a mob went on a rampage in the provincial capital Mendi and destroyed an Air Niugini Dash 8 aircraft on the airport's tarmac.
Mr O'Neill has announced a new airport facility to be built in Mendi and an upgrade to its runway worth over US$13-million.
This project is to be funded under a memorandum of understanding which PNG signed with China late last year.
While in Madang, Mr O'Neill also announced that new road projects, and in rural Sumkar district the reopening of a main bridge.
After arriving in Vanimo, the last astop on his Momase tour, Mr O'Neill visited Wutung on the border with Indonesia.
There he accompanied West Sepik Province's Governor Tony Wouwou as well as senior State Ministers and officials to inspect border protection measures.