Find the wrong English sign

1. Stop tourists. Please don't pass (employees only)

2. Exit at the exit

Beware of falling into the water: falling into the water

4. Return from the Return Office (refund)

5. Luggage storage center.

6. Welcome to Beijing.

7. Make an appointment to speak by telephone (telephone appointment).

The most outrageous wrong English signboard is "dry goods"-a merchant actually uses dirty words as a signboard! Please see (figure):/chinglish.asp.