CLEAN: Rio faces an uphill struggle to be ready for 2016 Olympics

The video discusses the timely progress of construction projects, ensuring all sports venues will be ready by 2015 for test events. It also touches on unrelated topics, including metro police and transport needs.

How does the text describe the status of the constructions?

What does the text imply about the initiation of constructions?

What is the timeline for the completion of all sports venues mentioned in the text?

What is the significance of the year 2015 in the context of the text?

What major issue is mentioned regarding transport in the text?