'It falls in altitude over 16,000 feet over its first 600 miles & only another 800 feet over the last 3,600 miles'
Amazon
RIVERS: It falls in altitude over 16,000 feet over its first 600 miles & only another 800 feet over the last 3,600 miles
It falls in altitude over 16,000 feet over its first 600 miles & only another 800 feet over the last 3,600 miles
It falls in altitude over 16,000 feet over its first 600 miles & only another 800 feet over the last 3,600 miles
RIVERS
Amazon
RIVERS