In the 21st century, ship builders in Indonesia remain true to their craft. It takes 10 to 15 people some six months to build a traditional Indonesian ship from scratch. /VCG Photo

The Phinisi is a two-masted sailing ship and the technique behind building the 350-tonne vessels has been designated by UNESCO as a Masterpiece of Oral and Intangible Heritage of Humanity in 2017. /VCG Photo

The builders use primitive hand tools and manufacturing processes that have not changed for decades. /VCG Photo

They use their eyes and hands to check every detail of the boat – all they need is a beach, tools and timber. /VCG Photo