Keep a straight face no matter what

When I was a tour guide I had some trips together with the guests. One boat trip to a beach where we grilled food and swam in the light blue sea and a trip to a monastery with donkeys.

There was no time to let me see the monastery before I was going to take the tourists there so I had no preparations in advance. We arrived and I showed them the simple monastery and told them about its history. Then the donkey owner waived at me and wanted us to walk about 100 meters further on and there behind a cliff was another beautiful and much bigger monastery. A guest asked: - What place is this?
- This is the monastery I told you about.
How embarrassing was that!?? Really embarrassing!!!