Damage to trees was later found 18ft high.

损坏的树木后来发现有18英尺高。

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This astonishing 18ft drawing of the world's most famous skyline was created by autistic artist Stephen Wiltshire after he spent just 20 minutes in a helicopter gazing at the panorama.

这幅令人震惊的18米长卷，描绘了世界上最著名的城市（纽约）轮廓画，这是孤独症艺术家斯蒂芬。维特夏经过20分钟直升飞机的全景鸟瞰后绘就的。

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An Indian family of two who went on Mr Turner's 18ft (5.4m) oared boat called their experience "amazing" and "magical".

BBC: Kumbh Mela festival

The 18ft (5.4m) escape route was found in a part of Sabarmati jail that houses prisoners on trial for bombings that killed 57 people in Ahmedabad in 2008.

BBC: Indian officials find tunnel at Sabarmati jail

The rear of the building will be reduced in height from 43ft (13m) to 18ft (5.5m) while the front will be reduced from 62ft (19m) to 36ft (11m).

BBC: Work to lower height of Dorset's Imax building starts