世界新七大自然奇观之一
伊瓜苏大瀑布鸟瞰图，巴西 (© Nido Huebl/Shutterstock)

因时间而改变
比斯第恶土，新墨西哥州，美国 (© Ian Shive/Tandem Stills + Motion)

因时间而改变
比斯第恶土，新墨西哥州，美国 (© Ian Shive/Tandem Stills + Motion)

是时候调整时间了
圣哈辛托大厦的机械钟，博蒙特，美国德克萨斯州 (© Richard T. Nowitz/Getty Images)

是时候调整时间了
圣哈辛托大厦的机械钟，博蒙特，美国德克萨斯州 (© Richard T. Nowitz/Getty Images)

醉人的山峦
Prosecco山丘，科内利亚诺和瓦尔多比亚德内，威内托大区，意大利 (© Richard T. Nowitz/Getty Images)

醉人的山峦
Prosecco山丘，科内利亚诺和瓦尔多比亚德内，威内托大区，意大利 (© Richard T. Nowitz/Getty Images)

峡谷的守护者
布莱斯峡谷国家公园，犹他州，美国 (© Jim Patterson/Tandem Stills + Motion)

峡谷的守护者
布莱斯峡谷国家公园，犹他州，美国 (© Jim Patterson/Tandem Stills + Motion)

鸟瞰
小红鹳飞越马加迪湖,肯尼亚 (© Vicki Jauron, Babylon and Beyond Photography/Getty Images)

Bird's-eye view
Lesser flamingos flying over Lake Magadi, Kenya (© Vicki Jauron, Babylon and Beyond Photography/Getty Images)

Bird's-eye view
Lesser flamingos flying over Lake Magadi, Kenya (© Vicki Jauron, Babylon and Beyond Photography/Getty Images)

A piece of pi
Wat Phra Ngam, Ayutthaya Historical Park, Thailand (© boonchai wedmakawand/Alamy)

A piece of pi
Wat Phra Ngam, Ayutthaya Historical Park, Thailand (© boonchai wedmakawand/Alamy)

Where is this colorful desert?
Anza-Borrego Desert State Park, California (© Stephen Matera/Tandem Stills + Motion)

Where is this colorful desert?
Anza-Borrego Desert State Park, California (© Stephen Matera/Tandem Stills + Motion)

Somewhat bamboo-zled
Giant panda eating bamboo, Chengdu, China (© Suzi Eszterhas/Minden Pictures)

Somewhat bamboo-zled
Giant panda eating bamboo, Chengdu, China (© Suzi Eszterhas/Minden Pictures)

Let's wear green today!
St. Finian's Bay, County Kerry, Ireland (© Atlantide Phototravel/Getty Images)

Let's wear green today!
St. Finian's Bay, County Kerry, Ireland (© Atlantide Phototravel/Getty Images)

Gentle giant of the dunes
Elephant Rock, Al-Ula, Saudi Arabia (© Lubo Ivanko/Shutterstock)