Abandoned tine mine Rolava (Sauersack) in Krušné Mountains was build by nazi Germany in 1940. The mine and adjacent processing facility employed hundreds of people from nearby villages and the POW camp in vicinity. Active production siezed woth the end of the war in 1945 and is abandoned since.

In the middle of Prague. Old villas still welcome their visitors. They don't look like it much, but someone has always been there. Evven after the windows were blocked by bricks. Neihter after relectors from billboards shine inside through the rest of the windows. There is always someone there.

Aquaduct on border of national park Ceske Svycarsko. It was built in year 1886 to cary watter to nearby factory. It Consists of watter tunnels and an aquaduct over Chribska Kamenice river.