Conservation advocates are raising concerns about the potential impact of construction on the protected landscape of Big Bend National Park. Heavy equipment has been spotted moving through the park, prompting questions about the scope of the disturbance.

The construction is related to the Big Bend border wall, and there are concerns about the methods that may be used to complete the project. Further details about the construction and its potential effects on the park are available from news outlets.

For more information on the Big Bend border wall construction and its potential impact on the national park, readers can consult the original report from CBS Austin.