There is a lot of work to do about a project. Nevertheless, this doesn't exclude the pleasure...

Have a glance at the fun that we are having at HSSI...

... during the Research summer school - a photo at the  geographical centre of Bulgaria near Gabrovo.	... during the Research summer school - Ispolin mountain peak near Uzana in the Stara planina mountain.
... math = swimming + gymnastics ???	... scoring high in a card game is as important as scoring high in Math Olympiad.