tourist –n. someone who travels for pleasure rather than business
exert –v. to use strength, to cause something to happen
consequences –n. the results of an action
potential –n. the chance that something will happen or exist in the future
contribute –v. to give, to cause something to happen
strain – v. to cause problems or stress from too much use
infrastructure –n. the structures and equipment that nations or areas need to operate such as roads, airports, railways and power centers