#Helsinki Airport expands again: EU lends 150mn for new main entrance and train station #tunnel.
https://yle.fi/uutiset/osasto/news/helsinki_airport_expands_again_eu_lends_150mn_for_new_main_entrance_and_train_station_tunnel/11060912
#finland
Shanghai largest ring expressway nears completion. The tunnel has three lanes in each direction.
https://www.shine.cn/news/metro/1912278769/
#China #tunnels #technology