And no need to apologise for your English either, perfectly understandable. Written language is less forgiving than spoken, as the listener will tend to auto-correct the things they hear unconsciously, whereas written remains for all to see. The least you should hope for is understanding and all the better if you get your message across with some style, some sense of the individual writing. And that's much harder in a second, third, fourth language.
But I reckon you've managed both! Given us an enjoyable read and a sense of the fun everyone had at the event too. And, of course, good to see the Carrera well represented amongst the attendees :)