Coal Mines Thousands of donkeys work in Pakistan's coal mines. Equine welfare assessment in Pakistan coal mines In 2014, Brooke undertook an assessment of several coal mine sites in Choa Saidan Shah in Pakistan, interviewing donkey owners and other mine workers. Follow Chittoo The Donkey On Journey Into Coal Mine Chittoo carries coal from the mine up to 15 times a day. Pakistan's Coal Mine Donkeys Brooke has uncovered the plight of thousands of donkeys working in coal mines in the Chakwal District of Pakistan.