These almost-centenarians are truly remarkable!  To think that they have already been through a lot and with physical pain and other illnesses  getting in the way,  it's a wonder that they can still participate in a dance championship in Las Vegas. This just goes to show that there's no limit to what the mind can conceive and with their sheer determination they were able to show to the world that they still can do things normally only reserved for the younger generation.  Needless to say, these elder people are living inspirations.