TIJUANA, MEXICO - NOVEMBER 30: A child stares out of a window as numbers of migrants are being transported to a new shelter a day after the heavy rain at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan of migrants is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )

TIJUANA, MEXICO - NOVEMBER 30: Numbers of migrants are being transported to a new shelter a day after the heavy rain at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan of migrants is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )

TIJUANA, MEXICO - NOVEMBER 30: Numbers of migrants are being transported to a new shelter a day after the heavy rain at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan of migrants is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )

TIJUANA, MEXICO - NOVEMBER 30: Numbers of migrants are being transported to a new shelter a day after the heavy rain at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan of migrants is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )

TIJUANA, MEXICO - NOVEMBER 30: Numbers of migrants are being transported to a new shelter a day after the heavy rain at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan of migrants is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )

TIJUANA, MEXICO - NOVEMBER 30: Numbers of migrants are being transported to a new shelter a day after the heavy rain at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan of migrants is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )

TIJUANA, MEXICO - NOVEMBER 30: A migrant man with a 'Darth Vader' mask walks with his bag at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )

TIJUANA, MEXICO - NOVEMBER 30: Children play a day after the heavy rain at Benito Juarez Sports unit in Tijuana, Mexico on November 30, 2018. The caravan of migrants is comprised of around 3,500 people as it draws near the U.S. border. While beginning in Honduras, it reached a peak of 7,000 people as many from other Central American nations joined in the 1,553-mile (2,500-kilometer) journey to reach the U.S. by foot. ( Atılgan Özdil - Anadolu Agency )