China's sinkholes: Tourist boom threatens ancient forests - BBC
- China's sinkholes: Tourist boom threatens ancient forests BBC
- Huge ancient forest world discovered 630ft down sinkhole in China UNILAD
- In China, These Giant Sinkholes Are Tourist Spots. But Experts Flag Risks NDTV
- Giant sinkholes are a tourist hit - but ancient forests inside are at risk MSN
- China's giant sinkholes are a tourist hit - but ancient forests inside are at risk BBC.com