Centuries old cave network uncovered under Montreal

[ahlam1399]

http://static-global-s-msn-com.akamaized.net/img-resizer/tenant/amp/entityid/BBGaNBb.img?h=100&w=100&m=6&q=60&o=f&l=fOnly 10 metres below the streets of a residential Montreal neighbourhood there lies a network of ice-age caverns that no human had ever seen - until a few weeks ago

أكثر... (http://www.msn.com/en-ca/video/news/centuries-old-cave-network-uncovered-metres-below-montreal-streets/vi-BBGaAoC?srcref=rss)