Wielki Dzień Otwarty na Stadionie Narodowym w Warszawie

Open Day at the National Stadium!

You will have an opportunity to visit the National Stadium in Warsaw for free! The main attraction will be… the roof. At 12:00 it will be closed for the first time and from that time on closing will be repeated hourly.
Sunday 2nd October, 10:00 – 20:00
entrance from Rondo Waszyngtona

http://www.stadionnarodowy.org.pl/aktualnosci/1490,wielki-dzien-otwarty-na-stadionie-narodowym-w-warszawie