parse feeds of "https://www.zive.cz" failed

[allentown521]

get blank content for these url:

https://vtm.zive.cz/clanky/robot-atlas-predvadi-dokonaly-parkour-tentokrat-boston-dynamics-pridava-i-nepovedene-zabery/sc-870-a-211811/default.aspx

https://vtm.zive.cz/clanky/nove-solarni-letadlo-by-melo-byt-schopne-zustat-ve-vzduchu-90-dni-v-kuse/sc-870-a-211576/default.aspx

https://mobilmania.zive.cz/clanky/google-pixel-5a-5g-je-prijemnou-evoluci-dostal-vodeodolnost-a-silnou-baterii/sc-3-a-1352462/default.aspx

and so on

[dankito]

The issue is the whole article is wrapped in a

element and in a clean up step all elements get removed from document.

It's difficult to solve that for me now.