قد عبر أطول نفق في العالم: نفق لوتشبرغ الأساسي في سويسرا (34.5 كم)

About this idea

Drive through the world's longest tunnel, Switzerland's Lötschberg Base Tunnel (34.5 km).

Location

عالمي · أي مكان

When

Available anytime

Address

Fee

السعر متغير

Steps

1. 1Gather the materials and tools, and clear a small clean workspace
2. 2Complete the core actions at your own pace, noticing one concrete detail
3. 3Tidy up, then write one sentence about what stuck with you

What you need

• Public welfare
• Open mind