The focus group then defined a mass gathering as a subset of a special event. Mass gatherings are usually found at special events that attract large numbers of spectators or participants. Both special events and mass gatherings require the kind of additional planning identified in the previous quote. For example, an amusement park that attracts a large number of people is not considered a special event because large crowds are expected. A mass gathering does not imply that the event is a special event. Failure to prepare for all contingencies can lead to disastrous consequences