Sarah Gauthier of Caya BC shows Maestro device, which allows touchless communication through eyes on the International Day of Persons with Disabilities in Vancouver, Canada, Dec.3, 2014. The International Day of Persons with Disabilities was proclaimed by the UN General Assembly in 1992. The annual observance of the Day aims to increase awareness and understanding of disability issues and trends, and to mobilize support for practical action at all levels by, with and for persons with disabilities. (Xinhua/Sergei Bachlakov)