The block construction of Etherna allows for very easy content creation. Some things just cannot be made easier.
The most exciting race against the clock at most major sports events seems to be the one of finishing the construction works on time. Major events in the past two decades have been awarded to host cities or host countries where most sport and other infrastructure needs to be built from scratch. The legacy of improved infrastructure and overall urban renewal of course is a legitimate objective of many bids for major events. The goal of sport governing bodies to bring their events to new cities or countries with a high development potential for the sport is also more than understandable.