地平线系列：火星旅行 者指南

Th(=e dream of send,i=/^ng[ hu++$mans to Mar;. _s (is +closer than ever before.  In fact, man#!]y s?cie $ntists thi(nk that $the f!irst$[; #perso(n to set )$foot #\)on the Red Planet is alive today.)* .(\B:\ut where shoul;d the first explorers\`
*+vi:sit when they g )*et th\?ere? !^
　　Horizon has ga -thered] ,the _world's leadin=^g experts on@// Mars )_ and aske@d them: whe(re w _ould they ))go:+!, if they got the ch@ance - ^and wha\t,(;@ would they need `to sur viv...