கேள்வி: ஒகையோ ஆறு - காட்சியகம் என்பது என்ன?
பதில்: File:Allegheny Monongahela Ohio.jpg|The Allegheny River, left, and Monongahela River join to form the Ohio River at Pittsburgh, Pennsylvania, the largest metropolitan area on the river. File:Wheeling Suspension Bridge Lithograph.jpg|Built between 1849 and 1851, the Wheeling Suspension Bridge was the first bridge across the river. File:LouisvilleNightSkyline2-small.jpg|Louisville, Kentucky, sits at the widest and deepest point of the Ohio River. File:Donna York.jpg|A barge hauls coal in the Louisville and Portland Canal, the only artificial portion of the Ohio River. File:Cincinnati-skyline-from-kentucky-shore-night.jpg|The Tall Stacks festival celebrates the riverboats of Cincinnati, Ohio, every three or four years.
கேள்வி: ஒகையோ ஆறு - நில அமைவும் நீரமைவும் பற்றி நீங்கள் என்ன அறிந்துள்ளீர்கள்?
பதில்: படிமம்:Floods_Recede_around_the_Wabash-Ohio_Confluence.jpg