rieky 5 [vynechat] rivers old prints 2 [vynechat] staré tlače 2 [vynechat] vodné toky 2 [vynechat] water streams 2 [vynechat] dejiny vodného hospodárstva 1 [vynechat] freight water transport 1 [vynechat] history of water management 1 [vynechat] homeland studies 1 [vynechat] hydraulic structures 1 [vynechat] nákladná vodná doprava 1 [vynechat] plavenie dreva 1 [vynechat] povodia 1 [vynechat] raft navigation 1 [vynechat] tourist sights 1 [vynechat] turistické zaujímavosti 1 [vynechat] vlastiveda 1 [vynechat] vodné diela 1 [vynechat] watersheds 1 [vynechat]