měi / nián / dōu / yǒu / hěn / duō / yóu / kè / dào / Gé / lín / wēi / zhì / tiān / wén / tái / cān / guān / kàn / kan / běn / chū / zǐ / wǔ / xiàn / de / biāo / zhì每年都有很多游客到格林威治天文台参观,看看本初子午线的标志。Every year, many tourists visit the Greenwich Observatory to see the marker of the Prime Meridian.