8. Bogota, Columbia:

Bogota, the capital city of Columbia, is one of the high risk locations of the world. Political violence, high crime rate and other security issues pose a serious threat. In addition, high rate of pollution and lack of proper infrastructure has a significant impact on life of aspiring individuals.

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9. Ho Chi Minh City, Vietnam:

Ho Chi Minh City is the largest city in Vietnam and is a tropical paradise. Pollution, risk of disease, lack of proper medical and sanitation facilities, and high crime rate are some of the hindering features of this tourist haven. In addition, the heat and humidity can be tormenting factors to the outsiders. 

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10. Chennai, India:

Chennai is one of the major cultural, commercial, educational and economic centers of India. The major drawbacks of working in Chennai are pollution, hot and humid climate, and poor sanitation. Poverty, threat of disease, lack of infrastructure, and meager medical facilities are some of the other widespread problems of this lively city.