<P> The International Day for Monuments and Sites ( World Heritage Day ) is held on 18 April each year around the world with different types of activities , including visits to monuments and heritage sites , conferences , round tables and newspaper articles . Each year has a theme , for example sustainable tourism in 2017 . </P>
<P> The International Day for Monuments and Sites ( World Heritage Day ) is held on 18 April each year around the world with different types of activities , including visits to monuments and heritage sites , conferences , round tables and newspaper articles . Each year has a theme , for example sustainable tourism in 2017 . </P>
theme of international day of monuments and sites 2017
theme of international day of monuments and sites 2017
sustainable tourism
sustainable tourism