On October 7, 2002 the Exposition Ada received its 500,000th visitor, Pius Adler, 10, from Rothenburg.

Pius is obviously surprised and delighted at his present.

Together with his mother, Pius enjoys a special guided tour through Ada.

Matthias Erzinger welcomes the three girls, Andrea, Ursula and Monika (from right to the left) at Ada.

Agnes and Alois Lötscher together with their daughters Andrea, Ursula and Monika are looking forward to making their guided tour of Ada.