Signed cooperation agreement. New joint expedition in 2018. From 9th to 18th August, the Bulgarian Caving Society (BCS) welcomes five Chinese speleologists and karstologists from…
"Where are you decide to travel, go with all your heart." – Confucius
"Where are you decide to travel, go with all your heart." – Confucius
Signed cooperation agreement. New joint expedition in 2018. From 9th to 18th August, the Bulgarian Caving Society (BCS) welcomes five Chinese speleologists and karstologists from…