Ecosystem anti-service refers to the negative impact of ecosystems on human daily life and production activities as damaged natural ecosystem structures and functions are gradually restored under the implementation of human intervention and protection measures. Based on the above definitions, Which of the following are the least likely to be ecosystem counter-services:. ['A large number of Platanus planted on urban arterial roads is an important factor inducing allergic rhinitis in citizens.', 'The number of macaque monkeys has increased sharply since the start of animal protection in some places, and they often harass the local residents.', 'The construction of a dam improves the local economic situation, and also destroys some historical sites.', 'Due to the ban on the use of herbicides, farmers have to invest greater labor costs to weed out.']