Are you planning to go on holiday in exotic landscapes or just near the Czech Republic? In any case, you should check with travel insurance before leaving. Without it, vacation can become quite expensive. Not only a pleasant experience awaits you; Abroad you would have to pay medical expenses without travel insurance. As citizens of the Czech Republic, you are entitled to the necessary healthcare in the EU Member States, the European Economic Area and Switzerland if necessary.
Security check is always a little stress. Somewhere they let you pass quickly, elsewhere they thoroughly sew you through. What can you do to get through it as quickly as possible?
First, prepare well in advance. Traveling only with hand luggage has many advantages. On the other hand, you need to get everything into it. And this can be a problem with checking. Be sure to leave all forbidden things at home.