<img alt="Why are rocks so important in any waterways" border="0" data-original-height="850" data-original-width="1280" height="213" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwR-wIspYJvuUTCx59BAl6LgBgTAKVbNmkJWi310wn5uwyNnXjfK4Pi7O_CT6Ug_AB0SB8vPhRcp5Gp0b0mHi8eliXIYdrBXE65Q76iBSt_LT3HftiQvH8YXOueL-IasiPXDOviF2Nv0T41hDQknaLb45evtORF3D7KxnF2NVW_wwop91do9Ps85Cekg/w320-h213/Untitled-48Bit-12.jpg" title="Why are rocks so important in any waterways" width="320" />