Home Blog Articles Cities in Action Cities in Action Sustainability The rise of the prototype city Cities in Action Urban design & nature A daily reminder of what the future can be: my view from Expo Valley Why building less can mean creating more, says real estate project manager Shabusha Shajahan Cities in Action Inclusivity The story behind World Down Syndrome Day on 21 March Every year on 21 March, the world marks World Down Syndrome Day - a date symbolising the triplication (trisomy) of the 21st chromosome. It champions inclusion, rights and opportunity for people with Down syndrome worldwide. Cities in Action Urban design & nature No one left behind: International Wheelchair Day at Expo City Dubai International Wheelchair Day on 1 March recognises mobility, resilience and the right of every person to move through the world fully and independently - with no one left behind.