70 years on, Chinese scientists preserve plateau highway on permafrost 0 24.12.2024 04:45 BigNewsNetwork.com © Provided by Xinhua Trucks pass through a road section of the Qinghai-Xizang Highway built on permafrost flanked by metal pipes, which serve as conductive heat pipes to st Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа
