Complex sentence: The 2019 Special Olympics World Summer Games are a multi-sport event for athletes with intellectual disabilities in the tradition of the Special Olympics movement, which will be held in Abu Dhabi, United Arab Emirates in March 2019.
Split into simpler sentences: The 2019 Special Olympics World Summer Games are a multi-sport event for athletes with intellectual disabilities in the tradition of the Special Olympics movement. They will be held in Abu Dhabi, United Arab Emirates in March 2019.