Alain Robert, aka the "French Spiderman," is planning to scale the over 500-foot tall Galaxy Hotel in China. The building is covered in smooth glass and there's little to hold on to.

The 51-year-old Robert is famous for climbing more than 70 of the world's tallest skyscrapers with no safety equipment.

He says he will make the climb rain or shine, and only plans to use certain cups for assistance.

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