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After walking through the tunnels, it was time to get some fresh air. As all tunnels are, you'll find that not even the best ventilation systems could bring in enough air. Therefore, one has to be very cautious before walking in. It was nice to be out again in the sun. 

從隧道走出來後,能再度呼吸新鮮空氣的感覺真好!因為是隧道,無論是多好的排風系統,當然都比不上戶外啦!所以要走進去之前還有一堆限制呢!

天仙 (Celeste) 發表在 痞客邦 PIXNET 留言(4) 人氣()