Grown Up Recreation Opportunity

While surfing the web recently I cam across this image.  I've not seen this before, but seems like (under the right circumstances) a very unusual attraction for a downtown.  Obviously your city's insurance company might have something to say about this.   The point of this post is to emphasize the need for cities to continually be on the look out for creative ideas to liven the downtown.  There is nothing wrong with copying other communities on occasion, but there is also nothing wrong with taking an existing idea and take it into another direction:   Again; this won't be for everyone, but under the right circumstances...