Responsible trekking: tips for minimising your footprint in Nepal – Source: www.lonelyplanet.com
https://www.lonelyplanet.com/nepal/himalayan-region/travel-tips-and-articles/responsible-trekking-in-nepal-tips-for-minimising-your-footprint/40625c8c-8a11-5710-a052-1479d2768965