In Crimea, a hydrotunnel was drilled under Ai-Petri to supply water to Yalta – Kommersant
In Crimea, a seven-kilometer hydrotunnel was drilled through the mountain range near Ai-Petri to supply water to Yalta from reservoirs...
In Crimea, a seven-kilometer hydrotunnel was drilled through the mountain range near Ai-Petri to supply water to Yalta from reservoirs...