A multi-hop free space optical link based on all-optical relays is presented. All-optical relays are either composed of simple optical amplifiers or optical regenerators. It has been shown that after a certain number of hops. the amplifier based relay cannot extend the range of the free space optical link. https://www.diegojavierfares.com/best-flash-Umcka-Cold-Flu-4-OZSyrupBerry-amazing-save/