Threading the needle

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0 height="100%"><tr> <td valign="top" width=200 BGCOLOR="#000000" TEXT="#F7F7FF"> <div> <A HREF="id38.htm" TARGET="_top" TITLE="More decoration"><U><IMG SRC="0400b0b0.png" border=0 width="11" height="11" ALT="previous" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>   <A HREF="id40.htm" TARGET="_top" TITLE="The team comes through"><U><IMG SRC="0410b0b0.png" border=0 width="11" height="11" ALT="next" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>       <IMG BORDER="0" SRC="1x1.gif" HEIGHT="11" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" WIDTH="11">   <A HREF="index.htm" TARGET="_top" TITLE="Diving the cenotes"><U><IMG SRC="0430b0b0.png" border=0 width="11" height="11" ALT="up" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <bR> <div> No place we went was actually that narrow.  Any section where you cannot pass without being in single file is considered a restriction, and not allowed for cavern tours.</div> </td> <td valign="top" BGCOLOR="#000000" TEXT="#F7F7FF"> <div> <FONT SIZE="5" COLOR="#FFFFFF" FACE="Arial" ><B>Diving the cenotes</B></FONT>    |     <A HREF="index.htm" TARGET="_top" TITLE="Diving the cenotes"><U>home</U></A></div> <div> Threading the needle</div> <div> <B><IMG SRC="0ce3e860.jpg" border=0 width="574" height="390" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> </td> </tr></table></body>