7 Recently completed school in a village about 70 km east of Beijing 402 17.1 Demographic futures (a) Ethiopia: one man and his family 408 (b) Plaque acknowledging the presence of many one-child 408 families in a village near to Beijing 18.1 Sinking of a deep well in Gambia, in an area where the water 426 level has actually been dropping 18.2 Sustainable development (a) Machiguenga Indian preparing to fell a tree 427 (b) Tree-felling implement 427

DOI link for 7 Recently completed school in a village about 70 km east of Beijing 402 17.1 Demographic futures (a) Ethiopia: one man and his family 408 (b) Plaque acknowledging the presence of many one-child 408 families in a village near to Beijing 18.1 Sinking of a deep well in Gambia, in an area where the water 426 level has actually been dropping 18.2 Sustainable development (a) Machiguenga Indian preparing to fell a tree 427 (b) Tree-felling implement 427

7 Recently completed school in a village about 70 km east of Beijing 402 17.1 Demographic futures (a) Ethiopia: one man and his family 408 (b) Plaque acknowledging the presence of many one-child 408 families in a village near to Beijing 18.1 Sinking of a deep well in Gambia, in an area where the water 426 level has actually been dropping 18.2 Sustainable development (a) Machiguenga Indian preparing to fell a tree 427 (b) Tree-felling implement 427