Answer: See explanation
Step-by-step explanation:
1. How many times did Vienna win in the Mercer Survey?
Ten times.
2. What open spaces does Vienna have?
The opens spaces that Vienna has include parks, squares, gardens etc.
3. Name three types of public transport in Vienna.
The three types of public transport in Vienna include trains, bus
4. Why do people visit Vienna in winter?
People visit Vienna in winter on order to enjoy its many colourful Christmas markets and to witness the festivals that take place .