Hello in 50 languages

There are 50 different nationalities in this video all saying hello in their native language.
The video was shot in one day in 2015 at International Students House London. www.ish.org.uk with each student in the video choosing an image to represent their home country.
International Students House London is home to students from over 100 countries. A not-for-profit organisation, International Students House (ISH) offers affordable accommodation to students studying in London in addition to running a social and welfare centre that is used by thousands of students every year.
ISH supports British and international students in London. By creating an international community ISH hopes to break down cultural barriers and encourage better cultural understanding through friendship among people of widely differing cultural and socio-economic background.
ISH's mission is:
To help students to achieve the academic and personal aims that have brought them to the United Kingdom.
To provide the best possible opportunities for international students to experience the many facets of life in the UK and to give them a deeper understanding of British society.
To give British students an opportunity to broaden their horizons through friendship with people from widely differing backgrounds and cultures.
By these means to make an effective contribution to better international relations.
To promote global friendship and understanding.