Know what is happening around you, know what is and isn’t normal and if you do not feel comfortable in the area -- get away.
People that look confident are less likely to be hassled and are less likely to be the victims of crime.
Don’t stand out with flashy jewellery or clothing.
Avoid patterns and go different routes, using different methods of travel at different times throughout your trip.
Maintain a way to speak to friends, call for help, ask for assistance.
Be prepared to know where you would go, who you would call and what are your emergency contacts.
A key aspect of being prepared to respond to an incident from a personal perspective is situational awareness: