What is the theme of the 2019 edition of World Tribal Day (WTD)?

The International Day of the World's Indigenous Peoples (or World Tribal Day) is observed on August 9 to front-up and protect the rights of the world's indigenous population. The 2019 theme is 'Indigenous Languages'. It was reported in the year 2016 that about 2680 indigenous languages were in danger and on the verge of getting extinct.